Best ECG Smartwatches: All FDA Approved (Updated September 2022)


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The creator of this post has chosen the Apple Watch Series 7 as the best Electrocardiogram (ECG) smartwatch for iOS and the Samsung Galaxy Watch 5 Pro as the best ECG smartwatch for Android.

If you are looking for the best ECG smartwatches that are out there then you’ve come to the right article.

As, in this article, I’ll cover the 14 best ECG smartwatches that are on the market today, and for each smartwatch, you’ll find in-depth information about what the smartwatch is capable of.

Besides the information that I’ll share about the best ECG smartwatches, I’ll also cover the answers to frequently asked questions regarding the ECG, and ECG smartwatch topics that will extend your knowledge further which I’ll share right after I’ve covered the 14 best ECG smartwatches.

Before I’ll cover the 14 best ECG smartwatches, however, I’ll cover a buyer’s guide to getting you to think about the most important factors before purchasing an ECG smartwatch which are all factors I’ve thought about thoroughly before selecting the 14 best ECG smartwatches.

But first, I’ll start with a comparison table of the 5 most outstanding ECG smartwatches in this article, and right after that, I’ll fully explain the answers to essential questions regarding ECG (like, for example, what an ECG is, and what ECG smartwatches are).

Comparison Table Of The 5 Most Outstanding ECG Smartwatches Of This Article

Product

Features

* Best ECG Smartwatch For iOS *

  • 33 % Faster charging than its predecessor.

  • 20 % Larger screen area when compared to its predecessor.

  • Can be worn during swims.

* Best ECG Smartwatch For Android *

  • Can last up to 80 hours on a full charge.

  • Improved screen protection.

  • Comes with a GPX feature.

* Best Fitbit Smartwatch With ECG *

  • Can last more than six days on a full charge.

  • Comes with 5 ATM water resistance.

  • Comes with a built-in oximeter.

* Best Hybrid Watch With ECG *

  • Comes with 10 ATM water resistance.

  • Comes with a SpO2 feature.

  • Can measure the stress levels of your heart.

* Best ECG Smartwatch With Blood Pressure Monitoring And SpO2 *

  • Can last up to 50 hours on a full charge.

  • Comes with an all-screen display (bezel now digital instead of physical).

  • Comes with 16 GB of internal storage, and 1.5 GB of RAM.

What is an Electrocardiogram (ECG)?

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An electrocardiogram is a medical test that is often used in medical clinics or hospitals to check a person’s heart rhythm.

These tests are done by attaching sensors on a person’s skin which then can detect electrical signals that are produced by their heart each time it beats.

The results of this test are then examined by a specialized doctor who can see whether the result is unusual or not.

This is also why electrocardiograms are often requested by a doctor whenever he/she suspects that you have a problem with your heart.

What Is An Atrial Fibrillation (AFib)?

An Atrial Fibrillation is an often very rapid and irregular heart rhythm that can result in blood clots forming in the heart.

Also, it is known that Atrial Fibrillation increases the risk of getting a stroke, or heart failure, and it can also lead to many other heart-related problems.

Atrial Fibrillation presents itself by the heart’s upper chambers beating very irregularly and out of sync with the lower chambers that are present in the heart.

Atrial Fibrillation, however, often occurs without any symptoms and, therefore, is often not caught before a stroke or another heart-related problem occurs.

There are, however, also warning signs out there that could give away a potential Atrial Fibrillation episode like a fast pounding heartbeat, weakness, or shortness of breath.

How is an ECG normally done?

Doctors in medical clinics or hospitals often perform the test, and the test starts by sticking sensors on the skin of the person that needs the test.

These sticking sensors are often put on the chest, arms, and legs of the person which are then connected to an ECG recording machine.

The ECG recording machine then makes a reading of the heart rate, and can then provide the doctor with information on the heart health of the person.

How often should ECG readings be taken?

For people that have a heart condition that could lead to fatal ends, it is important to at least have a yearly ECG to make sure that the heart rate of the person remains in check.

It is also important to have a yearly ECG if you are a person that is at a higher risk of getting a heart attack.

And if the person with a heart condition or with a higher risk of getting a heart attack is feeling fine even then an ECG should be taken.

A yearly ECG for people with these conditions is, however, a general rule to follow but it can, of course, also be that your doctor or general practitioner has other ideas and you should, of course, always follow the guidelines of your doctor or general practitioner.

What different types of ECGs exist?

Three different types of ECGs exist that are often used:

  • An ECG, while the person is resting, is most often done to get a good idea of the current heart condition of a person.
  • A Stress ECG is another test that is often done to test how the heart of a person is performing whilst the body is performing an exercise on, for example, a cycling machine, or treadmill.
  • An Ambulatory ECG is a test that is often done to test how the heart of a person is performing during normal day-to-day activities.

What are ECG smartwatches?

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ECG smartwatches are smartwatches that can take an ECG reading whilst being on the wrist of the wearer.

The ECG smartwatch can take an ECG by completing an electrical course throughout the body of the wearer.

Whilst the smartwatch is situated on the wrist of the wearer then the smartwatch has two ways of performing an ECG.

The first way is through the heart rate monitor that is present on the back of the smartwatch that is pressed against the wrist.

And the second is when the wearer touches the crown of the watch for a certain amount of time with a finger from the opposite hand.

What can ECG smartwatches do?

An ECG smartwatch is capable of measuring whether the person in question has Atrial Fibrillation or whether the person has just a normal heart rate.

An ECG smartwatch is capable of doing these tests multiple times a day which enables you to keep a close eye on your heart health.

An ECG that is performed at a medical clinic or the hospital can detect Arrhythmias which often present themselves through a heart that is beating too slow, too quickly, or irregularly.

Besides Arrhythmias, it can also detect Coronary Heart Disease which occurs when the blood supply to the heart is interrupted by a build-up of fatty substances, and it can detect whether the person in question is having a heart attack or not.

An ECG smartwatch is unable to detect all the just mentioned health-related issues apart from Atrial Fibrillation.

The reason why ECG smartwatches are so popular is that Atrial Fibrillation is a major problem within, for example, the US as it, generally, affects 1% of the total population.

How do ECG smartwatches work?

ECG smartwatches, generally, have a built-in sensor that is capable of doing on-the-spot readings of your heart rate.

These ECG smartwatches, generally, also come with a built-in app that can be used to start the ECG reading.

Before clicking the button to start a reading it is, generally, required for the watch wearer to place his/her finger on the case or the crown of the smartwatch during the whole reading to ensure that the sensor will give the wearer an accurate result.

You can check out the video below if you want to learn more about how ECG smartwatches work through video content.

What measurements does the ECG smartwatch make?

The ECG smartwatch is capable of measuring your heart rate, and heart rate rhythm which in turn is then either classified as a sinus rhythm which is a normal reading or as Atrial Fibrillation which is an abnormal reading.

How can ECG smartwatches save your life?

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ECG smartwatches are capable of detecting Atrial Fibrillation which is an abnormal heart rhythm that can lead to a stroke or other health-related problems.

An ECG smartwatch can take an accurate ECG reading if the smartwatch in question is FDA Approved, and once the measurement has been taken then the result can be directly shared with your doctor who can then take appropriate action promptly.

How to take the best ECG readings with your ECG smartwatch?

There are various things that you can do before doing an ECG reading to have a better chance of the reading giving a correct result:

  • The first thing that you can do is to relax your whole body.
  • The second thing that you can do is to make sure that both the watch and your wrist where the smartwatch is located, are dry.
  • The third thing that you can do is to make sure that there aren’t any other electronics around, apart from your smartwatch, that might be able to affect the reading.
  • The fourth thing that you can do is to make sure that the band of the smartwatch is attached tight enough to your wrist to take any signals.

Are ECG smartwatches accurate?

ECG smartwatches that have been FDA Approved are very accurate when it comes to their ECG readings because they’ve been heavily tested.

ECG smartwatches that instead come from brands that have not been FDA Approved can come with inaccurate readings because they haven’t been heavily tested on their accuracy.

Most ECG smartwatches that come from the brands: Apple, Samsung, Fitbit, and Withings are FDA Approved and will, therefore, be accurate in their ECG readings.

Who needs an ECG smartwatch?

An ECG smartwatch can be helpful for every single person to have because Atrial Fibrillation doesn’t always cause symptoms, and can, therefore, develop unnoticed until a stroke or other heart-related health issue occurs.

Also, for people that already have heart disease or that are at a higher risk of getting heart disease, it is essential to get an ECG smartwatch to be able to monitor their heart health often which also enables them to quickly share their results with their general practitioner.

What are the pros and cons of an ECG smartwatch?

Various pros and cons come with having an ECG smartwatch.

Pros

  • That you can take an ECG reading in about 30 seconds.
  • That you can take an ECG reading whenever you like and how much you’d like.
  • That you can directly share the ECG reading with your general practitioner which is very handy because your GP can then take appropriate action quite fast whenever the reading turns out to be bad.
  • ECG smartwatches from very reliable brands are FDA Approved which means that their ECG readings are tested for appropriate accuracy.

Cons

  • ECG smartwatches are unable to replace medical-grade equipment as ECG smartwatches are built solely for detecting Atrial Fibrillation.
  • ECG smartwatches are unable to detect a heart attack.
  • Whenever the ECG smartwatch wearer also has a pacemaker then a reading can give inaccurate results.
  • ECG smartwatches from very reliable companies can be quite expensive.

Buyer’s Guide

Durability

It is heavily important that your investment in an ECG smartwatch will be an investment that will last for a long time.

Therefore, it is essential to select an ECG smartwatch that is highly durable, so that it doesn’t break or stop working if you, for example, accidentally drop it.

Also, every smartwatch will over time get some bruises along the way, and to make sure that these bruises will not have any negative effect on the performance of the smartwatch, it is essential to choose an ECG smartwatch from a reputable brand that will be covered next.

Reputable Brand

There are a plethora of smartwatch brands out there that sell smartwatches with an ECG feature but not all smartwatch brands will give you the value that you deserve to get when you have invested in one.

Examples of smartwatch brands that are very trustworthy when it comes to delivering quality are Apple, Samsung, Fitbit, Garmin, Fossil, Withings, and Huawei.

This is also the reason why, in this article, you’ll only find ECG smartwatches that come from the brands: Apple, Samsung, Fitbit, and Withings because smartwatches from these brands will give you the value you deserve for your every penny even though they are, generally, not the cheapest options out there.

If I needed to choose an ECG smartwatch then I would for sure pick a watch from the brands Apple or Samsung because the effort that’s put into the smartwatches from these two brands is just insanely good.

Battery Life

Buying an ECG smartwatch with decent battery life is another essential feature that should be present in your ECG smartwatch, simply because doing accurate ECG readings multiple times throughout your day will drain the battery faster than you think.

Therefore, it is once again essential to buy the ECG smartwatch from a reputable brand, for example, Apple, Samsung, Fitbit, or Withings.

FDA Approved

An FDA Approved ECG smartwatch is a smartwatch that has been heavily tested to make sure that the ECG readings that the smartwatch can make are accurate each time.

It is, of course, very important that the ECG smartwatch that you decide to buy is FDA approved because if you, for example, have heart disease then it is essential that every ECG reading is accurate so that you can take appropriate action immediately if a reading turns out to be worrisome.

The most reputable smartwatch brands that come with FDA Approved ECG smartwatches are Apple, Samsung, Fitbit, and Withings.

The 14 best ECG smartwatches

In the next section of this article, I’ll walk you through the 14 best ECG smartwatches that you can find on the market today.

For each smartwatch, I’ll explain how the ECG feature works, and I’ll also walk you through the other awesome features that every single smartwatch has to offer.

Quick Navigation

1. Apple Watch Series 7 – * Best ECG Smartwatch For iOS *

2. Samsung Galaxy Watch 5 Pro – * Best ECG Smartwatch For Android *

3. Apple Watch Series 6 – * Best ECG Smartwatch With SpO2 *

4. Samsung Galaxy Watch 5 – * Best ECG Smartwatch With Blood Pressure Monitoring And SpO2 *

5. Fitbit Sense – * Best Fitbit Smartwatch With ECG *

6. Samsung Galaxy Watch 4 Classic – * Best Business ECG Smartwatch *

7. Withings ScanWatch Horizon – * Best Hybrid Watch With ECG *

8. Apple Watch Series 5 – * Very Reliable Apple Watch With ECG *

9. Fitbit Charge 5 – * Best And Cheapest ECG Fitness Tracker *

10. Samsung Galaxy Watch 4 – * Cheapest Samsung ECG Smartwatch With Wear OS *

11. Withings ScanWatch – * Cheapest ECG Hybrid Watch *

12. Samsung Galaxy Watch 3 – * Best ECG Smartwatch With Tizen OS *

13. Apple Watch Series 4 – * Cheapest Apple Watch With ECG *

14. Samsung Galaxy Watch Active 2 – * Cheapest Samsung Watch With ECG *

1. Apple Watch Series 7* Best ECG Smartwatch For iOS *

The Apple Watch Series 7 is the newest model of the Apple Watch Series which, therefore, comes with a lot of updated, reliable, and helpful features.

Although the design, fitness features, and battery life did not receive an upgrade when the Apple Watch Series 7 is compared with its predecessor, the Apple Watch Series 6, the newest model has gained other essential improvements which I will cover right after I’ve explained how you can take an ECG reading with the Apple Watch Series 7 and what outputs the ECG feature of the Apple Watch Series 7 can give after a reading.

How can you take an ECG reading with the Apple Watch Series 7?

First of all, it is essential that you are wearing the watch on your wrist, that it is fitted nice and snug against your skin to take good readings, and it is important to keep in mind to rest your arm on a table and remain as still as you can during the ECG reading, otherwise the result of the reading is likely to become inconclusive.

When you’ve followed the just given instructions then you can continue with the following ones:

  1. The Apple Watch Series 7 comes with a built-in ECG app that’s used to start an ECG reading. So, you should first open the ECG app that is present on your watch.
  2. If you haven’t set the ECG app up yet through your connected smartphone (has to be done on both iPhones and Samsung smartphones) then you should first follow the steps on your connected smartphone before being able to do an ECG reading.
  3. Once the ECG app is properly set up and opened up then you can start an ECG reading by holding your opposite finger on the watch’s crown (which for Samsung smartwatches is the top right side button) and continue holding it for 30 seconds.
  4. Once the ECG reading is completed then you’ll immediately see the result of the reading right on your smartwatch screen.
  5. If you want then you can save the ECG printout on your connected phone and share it with your general practitioner, who can then take appropriate action on the results.

If you’d rather watch a YouTube video on how to correctly do an ECG reading on your Apple Watch Series 7 then you should follow the video that is shared below.

What outputs can the ECG feature of the Apple Watch Series 7 give you?

There are various results that the ECG feature of the Apple Watch Series 7 can give after an ECG reading is taken by the watch.

Let’s take a look at all the outputs:

  • Sinus Rhythm: Meaning that the ECG result is normal.
  • Inconclusive: An inconclusive reading in your Apple Watch Series 7 can occur whenever the reading wasn’t properly done. It can, for example, be that the wearer of the watch didn’t wear his/her watch correctly, it can even be that a pacemaker is present in the watch wearer which can result in inconclusive ECG readings, or it can even be that the wearer of the watch is wearing the watch on a wrist that contains water which can also result in inconclusive readings.
  • Poor recording: This result means that the Apple Watch has failed to classify.
  • Atrial Fibrillation: When this result occurs then the heart rhythm of the wearer is not normal. This result can also be a sign of a stroke or a cardiac arrest which is also why the wearer should seek immediate help from a medical doctor whenever this result occurs.
  • High or low heart rate: This result will occur whenever you have either a high or low heart rate.

Improvements of the Apple Watch Series 7

The Apple Watch Series 7 has come with some notable improvements when compared to its predecessor, the Apple Watch Series 6.

The most notable improvements are:

  • That its fast charging feature has improved to be 33% faster.
  • That there is now a 20% larger screen area because the borders of the watch are now 1.7 mm as compared to the 3 mm borders of the Apple Watch Series 6.
  • That the case size has increased from a 40 mm and 44 mm case size to a 41 mm and 45 mm case size.
  • That the Apple Watch Series 7 now comes in more awesome colors which are green, starlight, and midnight.

>>> Check the customer reviews of the Apple Watch Series 7 on Amazon <<<

Other features

41 mm model

  • The watch has the following dimensions: 41 x 35 x 10.7 mm (1.61 x 1.38 x 0.42 in).
  • The screen of the watch is ​​1.69 inches.
  • It comes with a screen resolution of 430 x 352 pixels.
  • The watch weighs 32 grams.
  • The watch comes with a Li-Ion 284 mAh non-removable battery.

45 mm model

  • The watch has the following dimensions: 45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in).
  • The screen of the watch is ​​1.9 inches.
  • It comes with a screen resolution of 484 x 396 pixels.
  • The watch weighs 38.8 grams.
  • The watch comes with a Li-Ion 309 mAh non-removable battery.

Both models have these features:

  • The watches come with an eSIM.
  • The watches come with an always-on display.
  • The smartwatches come with an NFC feature.
  • The smartwatches can be worn during swims in shallow waters.
  • The smartwatches can be charged wirelessly.
  • Both smartwatches come with the following sensors: an altimeter, a compass, a SpO2 sensor, a VO2max sensor, a barometer, a gyroscope, a heart rate monitor, and an accelerometer.

Pros

  • Its battery can last for at least one day on a full charge.
  • It comes with a QWERTY keyboard.
  • It is more durable than its predecessor.
  • It comes with two new out-of-the-box watch faces.

>>> Check out the price of the Apple Watch Series 7 on Amazon <<<

Cons

  • The fitness features are the same as the features of the Apple Watch Series 6.
  • The watch is quite expensive.

Our verdict

The Apple Watch Series 7 is a very reliable ECG smartwatch that is FDA Approved as well.

If you already have an Apple Watch Series 6 then it is likely not needed to buy this watch but if you instead, for example, have an Apple Watch Series 3 then an upgrade will enhance your life significantly.

Especially, its ECG feature and the faster-charging feature will then be a big upgrade for you.

The only downsides to this watch are that there haven’t been any improvements in its fitness features and also its price is quite high but then again having to pay a high price for an Apple product isn’t a surprise.

Read Also: “The 6 Best Smartwatches with a built-in eSIM in 2022

2. Samsung Galaxy Watch 5 Pro* Best ECG Smartwatch For Android *

The Samsung Galaxy Watch 5 Pro is the newest smartwatch that has been added to the Samsung brand.

It comes with various reliable and helpful features like, for example, its ECG feature.

First, I’ll explain to you how you can take an ECG reading with this smartwatch and what outputs the ECG feature can give you.

When these two aspects are covered then I’ll continue talking about its features.

How can you take an ECG reading with the Samsung Galaxy Watch 5 Pro?

The steps of doing an ECG reading on the Samsung Galaxy Watch 5 Pro are the same as the steps you’ll need to follow when doing an ECG reading on the Apple Watch Series 7.

So, you can just follow the same steps that I’ve already outlined within the information of the Apple Watch Series 7 (which was the first ECG smartwatch I covered, in this article).

Click here if you want to scroll back up to the steps of how to do an ECG reading.

What outputs can the ECG feature of the Samsung Galaxy Watch 5 Pro give you?

The outputs that the ECG feature of the Samsung Galaxy Watch 5 Pro can give are pretty much the same outputs that are given by the ECG feature of the Apple Watch Series 7 which are a Sinus Rhythm result, an Atrial Fibrillation result, an inconclusive result, or a poor recording result.

Improvements of the Samsung Galaxy Watch 5 Pro

When the Samsung Galaxy Watch 5 Pro is compared with the Samsung Galaxy Watch 5 smartwatch then you can see that some upgrades have been made to the Samsung Galaxy Watch 5 Pro.

The upgrades are that:

  • The Samsung Galaxy Watch 5 Pro comes with a bigger case which is 45 mm instead of the 40 mm and 44 mm models of the Samsung Galaxy Watch 5.
  • The Samsung Galaxy Watch 5 comes in two new colors which are black titanium, and gray titanium.
  • The dimensions of the Samsung Galaxy Watch 5 Pro have also increased to the following dimensions: 45.4 mm x 45.4 mm x 10.5 mm whilst the Samsung Galaxy Watch 5 40 mm model came with the dimensions 39.3 mm x 40.4 mm x 9.8 mm and the 44 mm model with the dimensions 44.4 mm x 43.3 mm x 9.8 mm.
  • The weight of the Samsung Galaxy Watch 5 Pro has also increased from 1.01 oz (Samsung Galaxy Watch 5, 40 mm model), and 1.18 oz (Samsung Galaxy Watch 5, 44 mm model) to 1.64 oz (Samsung Galaxy Watch 5 Pro, 45 mm model).
  • Its battery life has increased from 50 hours of battery life on a full charge (Samsung Galaxy Watch 5) to 80 hours of battery life on a full charge (Samsung Galaxy Watch 5 Pro).
  • The Samsung Galaxy Watch 5 Pro is a better option if you want to engage in more rugged activities as the chassis has an elevated edge around the display which protects the screen better.
  • The Samsung Galaxy Watch 5 Pro comes with a GPX feature which enables you to share geographic information with others, and it can also be used to keep track of your routes. Besides, the return feature that is present as well, will track back your journey if you ever happen to get lost.

Other Features

  • It comes with a built-in eSIM.
  • The watch is water-resistant.
  • The watch comes with a blood pressure monitoring feature.
  • The Samsung Galaxy Watch 5 Pro comes with an always-on display.
  • It comes with 16 GB of internal storage and 1.5 GB of RAM.
  • It comes with a built-in GPS.
  • It comes with a built-in NFC feature.
  • This watch can be charged wirelessly.
  • It comes with a non-removable Li-Ion 590 mAh battery.
  • It comes with a Samsung Pay feature.
  • It comes with the following built-in sensors: a thermometer sensor, a barometer sensor, a gyroscope, a heart rate monitor, and an accelerometer sensor.

>>> Check the customer reviews of the Samsung Galaxy Watch 5 Pro on Amazon <<<

Pros

  • On a full charge, the battery life of this watch is more than enough for most users.
  • The watch comes with a premium look which most users will love.
  • It is very durable.

Cons

  • It doesn’t have a memory card slot.
  • It does not come with a built-in camera.

Our verdict

The Samsung Galaxy Watch 5 Pro is an awesome ECG smartwatch as its ECG feature is FDA Approved, and also because its ECG feature is very easy to use on the go.

When compared to the Samsung Galaxy Watch 5, the Samsung Galaxy Watch 5 Pro’s battery life can be one of the big deciding factors to choose this watch over its predecessor.

Also, if you’re a lover of engaging in rugged activities then the Samsung Galaxy Watch 5 Pro will be a good option for you as it is very durable, and also more durable than its predecessor.

You’ll, however, have to pay a higher price for this model when compared to its predecessor but in my opinion, the Samsung Galaxy Watch 5 Pro is worth it.

>>> Check out the price of the Samsung Galaxy Watch 5 Pro on Amazon <<<

3. Apple Watch Series 6* Best ECG Smartwatch With SpO2 *

The Apple Watch Series 6 is the predecessor of the newest Apple Watch Series 7, however, this doesn’t mean that the Series 6 does not come with any good features.

I’ll guide you through all the most notable features that will be of benefit to you but first let’s give you some information on how you can take an ECG reading with the Apple Watch Series 6.

How can you take an ECG reading with the Apple Watch Series 6?

You’ll need to follow the same steps with the ECG feature of the Apple Watch Series 6 that I’ve explained about the ECG feature of the Apple Watch Series 7 (which was the first ECG smartwatch I’ve covered, in this article).

So, if you want to follow a written explanation then you should scroll up to the Apple Watch Series 7 that was covered first.

Click here if you want to scroll back up to the steps of how to do an ECG reading.

If you, however, rather follow a walkthrough of how to take an ECG reading with the Apple Watch Series 6 then you can check out the video below.

What outputs can the ECG feature of the Apple Watch Series 6 give you?

The outputs that the ECG feature of the Apple Watch Series 6 can give are the same that the ECG feature of the Apple Watch Series 7 can give which are a sinus rhythm reading, an Atrial Fibrillation reading, an inconclusive reading, a poor recording reading, or a high or low heart rate reading.

Improvements of the Apple Watch Series 6

When the Apple Watch Series 6 is compared with the Apple Watch Series 5 then it becomes clear that the Apple Watch Series 6 has indeed gained some upgrades to its, for example, design, sensors, and battery life.

Let’s take a look at all the improvements that the Apple Watch Series 6 has gained over the Apple Watch Series 5:

  • The brightness of its always-on display is 2.5 times brighter than the always-on display of the Series 5.
  • The model comes with a 2.4 GHz and 5.0 GHz WiFi option whilst its predecessor came only with a 2.4 GHz WiFi option.
  • It comes with an always-on altimeter functionality.
  • It comes with a blood oxygen sensor.
  • The watch can be charged faster than its predecessor, and it comes with improved battery life when doing certain workouts.

Other Features

40 mm model

  • The watch has the following dimensions: 40 x 34 x 10.4 mm (1.57 x 1.34 x 0.41 in).
  • The screen of the watch is ​​1.57 inches.
  • It comes with a screen resolution of 394 x 324 pixels.
  • The watch weighs 39.7 grams.
  • The watch comes with a Li-Ion 265.9 mAh non-removable battery.

44 mm model

  • The watch has the following dimensions: 44 x 38 x 10.4 mm (1.73 x 1.50 x 0.41 in).
  • The screen of the watch is ​​1.78 inches.
  • It comes with a screen resolution of 448 x 368 pixels.
  • The watch weighs 47.1 grams.
  • The watch comes with a Li-Ion 303.8 mAh non-removable battery.

Both models have these features:

  • The watches come with a built-in eSIM.
  • They have a 50m water resistance.
  • They come with an always-on display feature.
  • They come with an internal storage of 32 GB and they come with 1 GB of RAM.
  • They both come with a built-in GPS.
  • They both contain an NFC feature.
  • They can both be charged wirelessly.
  • Other sensors that can be found within both these models are a gyroscope, heart rate monitor, compass, barometer, SpO2 sensor, and VO2max sensor.

>>> Check the customer reviews of the Apple Watch Series 6 on Amazon <<<

Pros

  • The watch will track your daily sleeping cycles to keep an eye on how much sleep you get each night.
  • The watch also comes with Apple Pay for making quick payments with your watch at stores that support paying with your watch.
  • Quickly swapping the band of the watch is quite simple.

Cons

  • Its overall battery life has not been improved when compared to its predecessor. The watch’s battery only performs a bit better when doing certain workouts when compared to its predecessor.
  • The watch will only properly work when it is connected to an Apple device, and not when it is connected to, for example, an Android device.

Our verdict

The Apple Watch Series 6 is a great FDA Approved ECG smartwatch to choose from if you don’t want to pay the full price for the Apple Watch Series 7, and if you don’t need the new features that are present on the Apple Watch Series 7.

When the Apple Watch Series 6 is compared to the Apple Watch Series 5 then it can be said that choosing the Series 6 over its predecessor can be worth it.

The most notable upgrades that you’ll get to enjoy are that you’ll get to use its blood oxygen sensor, that the watch charges faster, and that the brightness of the watch will be 2.5 times brighter than its predecessor.

>>> Check out the price of the Apple Watch Series 6 on Amazon <<<

4. Samsung Galaxy Watch 5* Best ECG Smartwatch With Blood Pressure Monitoring And SpO2 *

The Samsung Galaxy Watch 5 is the best smartwatch that comes with a combination of an ECG feature that is FDA Approved, that comes with a blood pressure monitoring functionality that enables you to measure your blood pressure on the go, and that comes with a nicely working SpO2 feature that enables you to measure how much oxygen your blood is carrying throughout your body.

But this smartwatch has besides these just mentioned three awesome features/functionalities, a lot more to offer which I’ll share with you once I’ve explained to you how you can take an ECG reading with this smartwatch, and what outputs the ECG feature can give.

How can you take an ECG reading with the Samsung Galaxy Watch 5?

The steps you’ll need to follow to do an ECG reading on the Samsung Galaxy Watch 5 are the same steps that you would need to take with the Apple Watch Series 7 which are steps I’ve guided you through whilst covering the Apple Watch Series 7.

You can find these steps by going to the first watch of this best list if you happen to have scrolled by it.

Click here if you want to scroll back up to the steps of how to do an ECG reading.

What outputs can the ECG feature of the Samsung Galaxy Watch 5 give you?

The ECG feature of the Samsung Galaxy Watch 5 can give the same outputs that the Samsung Galaxy Watch 5 Pro can give which are a Sinus Rhythm result, an Atrial Fibrillation result, an inconclusive result, or a poor recording result.

Improvements of the Samsung Galaxy Watch 5

When comparing the Samsung Galaxy Watch 5 to the Samsung Galaxy Watch 4, it becomes clear that there have been some essential upgrades to the Samsung Galaxy Watch 5, and these improvements will be covered right here to give you a good idea of whether you should or should not upgrade to the Samsung Galaxy Watch 5.

The upgrades are:

  • That the Samsung Galaxy Watch 5 now has a skin-temperature reader.
  • That it comes with an upgraded sleep coach which will provide you with actionable advice on your sleeping patterns.
  • That the Samsung Galaxy Watch 5 comes with a bigger battery which can, therefore, also last longer (up to 50 hours, on a full charge) whilst the Samsung Galaxy Watch 4 was able to last around 40 hours on a full charge.
  • That the watch now comes with a scratch-resistant sapphire crystal display which makes the watch more durable.
  • That the Samsung Galaxy Watch 5 now has an all-screen display which means that the physical bezel that was present on the Galaxy Watch 4 has now been upgraded to a digital bezel on the Galaxy Watch 5.

Other Features

40 mm model

  • The watch comes with the following dimensions: 40.4 x 39.3 x 9.8 mm (1.59 x 1.55 x 0.39 in).
  • The screen of the watch is ​​1.2 inches.
  • It comes with a screen resolution of 396 x 396 pixels.
  • The watch weighs 28.7 grams.
  • The watch comes with a Li-Ion 284 mAh non-removable battery.

44 mm model

  • The watch comes with the following dimensions: 44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in).
  • The screen of the watch is ​​1.4 inches.
  • It comes with a screen resolution of 450 x 450 pixels.
  • The watch weighs 33.5 grams.
  • The watch comes with a Li-Ion 410 mAh non-removable battery.

Both models have these features:

  • These watches come with an eSIM.
  • The watches have 50m water resistance.
  • They come with an always-on display feature.
  • They come with 16 GB of internal storage, and also with 1.5 GB of RAM.
  • They come with a GPS feature.
  • You’ll be able to make payments with these smartwatches, thanks to their NFC feature.
  • The sensors that are included in these smartwatches are a heart rate sensor, a barometer sensor, a gyro sensor, and an accelerometer sensor.
  • You’ll be able to wirelessly charge these watches.

>>> Check the customer reviews of the Samsung Galaxy Watch 5 on Amazon <<<

Pros

  • It comes with a bright and durable display.
  • It has a sporty but also versatile design which enables you to wear it on any occasion.
  • The new digital bezel enables you to scroll more quickly than the bezel of its predecessor could.

Cons

  • It does not come with a memory card slot.
  • Features for the outdoors that are present in the Samsung Galaxy Watch 5 Pro model can’t be found in this model.

Our verdict

All in all, it can be said that the Samsung Galaxy Watch 5 won’t let you down when it comes to both its design and functionalities.

Especially, the combination of a present ECG feature, a present blood pressure monitoring feature, and a present SpO2 feature make this watch a very popular option for people that love to keep an eye on their day-to-day health.

Apart from these amazing three features, the Samsung Galaxy Watch 5 has much more to offer, and in my opinion, the most awesome upgrades that I’ve seen when compared to its predecessor are its improved battery life (from 40 to 50 hours on a full charge), its new all-screen display, and its upgraded sleep coach feature which can help you improve and give you insights into your sleeping patterns.

>>> Check out the price of the Samsung Galaxy Watch 5 on Amazon <<<

5. Fitbit Sense* Best Fitbit Smartwatch With ECG *

The Fitbit Sense is the best Fitbit smartwatch that is out there with an ECG feature which is a great option for people that love the Fitbit brand, and also need an ECG feature in their smartwatch.

Besides its ECG feature, the Fitbit Sense has a lot more to offer which I’ll also cover after I’ve shared with you how you can take an ECG reading on the Fitbit Sense, and also after I’ve shared which outputs you can expect from its ECG feature.

How can you take an ECG reading with the Fitbit Sense?

Taking an ECG reading with the Fitbit Sense smartwatch is quite simple.

The following steps will guide you through how to do it:

  1. The Fitbit Sense comes with a built-in ECG app that you first should open up.
  2. Once the app is opened then you’ll first have to set everything up before you can do an ECG (check the video below which will guide you through how to exactly set everything up).
  3. Once everything is set up on your connected smartphone then it is time to put the watch on your wrist.
  4. Open the ECG app up again and move through the instructions given on your smartwatch’s screen.
  5. Once the smartwatch asks you to do so then put your index finger and thumb on the metal corners of the watch, and hold them there for the duration of the reading (a timer will count down).
  6. Once the timer is done then you’ll immediately see the results on your watch’s screen.

If you’d, however, rather watch a video on how to take an ECG reading with the Fitbit Sense, then you can check out the video below.

What outputs can the ECG feature of the Fitbit Sense give you?

The results that you can expect to see after you’ve taken an ECG reading are a sinus rhythm, an Atrial Fibrillation, or an inconclusive reading.

The inconclusive reading can occur due to a too high heart rate, a too low heart rate, or it can occur because the watch was unable to make a correct reading.

Heart Rate Too High

A too high heart rate may be present in you because you have engaged in very recent exercise, because of stress or nervousness, because of consuming alcohol before the reading, because of dehydration, because of an infection, or it might be a sign of Atrial Fibrillation or another arrhythmia.

Heart Rate Too Low

A too low heart rate on the other hand may be present in you because of taking certain medications, because of having excellent aerobic fitness, or because of another arrhythmia.

Unable to make a good reading

Whenever the watch was unable to make a good reading then this can be the result of moving too much during the reading, not resting your hands on a table during the reading, or because of another arrhythmia.

What you need to do to get a good reading

If the watch was unable to make a good reading then you should do the following things to have a higher chance of getting a good reading:

  • Double-check if the Fitbit Sense is properly fitted on your wrist (it should feel comfortably fitted and not too secure or too loose). Also, make sure that you wear the watch about the width of your finger above your wrist bone.
  • Make sure that there aren’t any other electronics around when you’re doing the ECG reading.
  • Make sure that the Fitbit Sense, the wrist where the watch is on, and your hands are clean and dry because, for example, water or sweat can interfere with the reading if present.
  • Make sure that you keep both your index finger and thumb on both corners of the watch for the duration of the required time to do a reading (30 seconds).
  • Make sure that the Fitbit Sense is present on the correct wrist that you selected before starting your ECG reading (either left or right).
  • Make sure that the arm where the watch is fitted, is resting on a table during the reading.
  • Also, make sure that you’re sitting down and that you relax during the ECG reading.

>>> Check the customer reviews of the Fitbit Sense on Amazon <<<

Other Features

  • The watch has the following dimensions: 40.4 mm x 40.4 mm x 12.4 mm.
  • The screen of the watch is ​​1.58 inches.
  • It comes with a screen resolution of 300 x 300 pixels.
  • The watch weighs 33.1 grams.
  • The watch comes with a Lithium-polymer non-removable battery.
  • It comes with 4 GB of internal storage.
  • It has a battery life that can last for more than six days on a full charge.
  • This watch is compatible with both Android and iOS devices.
  • Its screen is protected by Corning Gorilla Glass.
  • It has 5ATM water resistance and the watch can be worn during swims.
  • It comes in the colors Blue and gold, Pink and Gold, Black and black, Thistle and Gold.
  • It comes with an always-on display.
  • It comes with a built-in GPS.
  • It has an NFC feature.
  • It comes with the following sensors built-in: an altimeter, an ambient light sensor, an accelerometer, a compass, a barometer, a gyroscope, a pulse oximeter, a heart rate monitor, and a thermometer.

Pros

  • It is quite a lightweight watch.
  • You can track your swims with this watch.
  • You can track your sleeping cycles with this watch.
  • It comes with more than 20 different sports modes.

>>> Check out the price of the Fitbit Sense on Amazon <<<

Cons

  • You can’t track your blood pressure with this watch.
  • It doesn’t have a fall detection feature.

Our verdict

The Fitbit Sense is a very reliable ECG smartwatch that comes with many more essential features.

A few of the most notable features are that the Fitbit Sense can be worn whilst swimming, that its battery life is awesome (can last for more than six days), that the watch is compatible with both Android and iOS devices, and that the watch can be purchased in a lot of different colors.

Also, it can be said that if you want to go for an ECG smartwatch that comes from the Fitbit brand and if you’re not on a budget then the Fitbit Sense will be a better choice than the Fitbit Charge 5 (the cheapest option of this best ECG smartwatches list).

You May Also Like: “31 Best Smartwatches with Speaker and Microphone

6. Samsung Galaxy Watch 4 Classic* Best Business ECG Smartwatch *

The Samsung Galaxy Watch 4 Classic is a nice professional-looking watch that, of course, also has an FDA Approved ECG feature.

When compared to the regular Samsung Galaxy Watch 4, the Samsung Galaxy Watch 4 Classic is a little bulkier, larger, and also comes with a rotating bezel.

Its overall design is also different from the Samsung Galaxy Watch 4 because the regular Galaxy Watch 4 comes with a very sporty design whilst the classic fits business environments very well.

The Samsung Galaxy Watch 4 Classic, of course, comes with many more awesome features which I’ll share with you right after I’ve explained how an ECG reading can be taken with this watch, and after you’ve found out what outputs its ECG feature can give.

How can you take an ECG reading with the Samsung Galaxy Watch 4 Classic?

An ECG reading with your Samsung Galaxy Watch 4 Classic can be done in the same way it is done with the Apple Watch Series 7 which I’ve covered already in this best ECG smartwatches list, so if you want to read about the details of how to take an ECG reading with the Samsung Galaxy Watch 4 Classic then you can click the text below.

Click here if you want to scroll back up to the steps of how to do an ECG reading.

What outputs can the ECG feature of the Samsung Galaxy Watch 4 Classic give you?

The outputs that the ECG feature of the Samsung Galaxy Watch 4 Classic can give are the same that every single Samsung ECG smartwatch can give which are a Sinus Rhythm result, an Atrial Fibrillation result, an inconclusive result, or a poor recording result.

Improvements of the Samsung Galaxy Watch 4 Classic

When comparing the Samsung Galaxy Watch 4 Classic to the Samsung Galaxy Watch 3 then it is easy to see and find out about the upgrades that can be found in the Galaxy Watch 4 Classic.

Let’s take a look at the upgrades that can now be found in the Galaxy Watch 4 Classic:

  • The RAM and storage of the Samsung Galaxy Watch 4 Classic have been improved to 1.5 GB of RAM and 16 GB of internal storage whilst its predecessor has 1 GB of RAM and 8 GB of internal storage.
  • The battery life of the Galaxy Watch 4 Classic has been improved when compared to its predecessor.
  • The Galaxy Watch 4 Classic now runs on Wear OS instead of Tizen OS which enables users to use many more apps from the Google Play Store.
  • The newer model can now measure your body composition, like, for example, your BMI, water content, visceral fat, and muscle fat.
  • The size of the dial of the newer watch is a little bit larger than that of its predecessor, and the chassis is thinner than that of its predecessor.
  • The chipset of the Galaxy Watch 4 Classic has been improved to an Exynos W920 chipset whilst its predecessor had an Exynos 9110 chipset.

>>> Check the customer reviews of the Samsung Galaxy Watch 4 Classic on Amazon <<<

Other Features

42 mm model

  • The watch has the following dimensions: 41.5 x 41.5 x 11.2 mm (1.63 x 1.63 x 0.44 in).
  • The screen of the watch is ​​1.2 inches.
  • It comes with a screen resolution of 396 x 396 pixels.
  • The watch weighs 46.5 grams.
  • The watch comes with a Li-Ion 247 mAh non-removable battery.

46 mm model

  • The watch has the following dimensions: 45.5 x 45.5 x 11 mm (1.79 x 1.79 x 0.43 in).
  • The screen of the watch is ​​1.4 inches.
  • It comes with a screen resolution of 450 x 450 pixels.
  • The watch weighs 52 grams.
  • The watch comes with a Li-Ion 361 mAh non-removable battery.

Both models have these features:

  • These models come with an eSIM.
  • They have 50m water resistance.
  • They come with a blood pressure monitor.
  • They come with Corning Gorilla Glass DX.
  • They come with an always-on display.
  • The models come with 16 GB of internal storage and 1.5 GB of RAM.
  • They come with a built-in GPS.
  • They both come with an NFC feature.
  • They come with a Samsung Pay feature.
  • These models can be charged wirelessly.
  • These models have the following sensors as well: an accelerometer, a barometer, a heart rate monitor, and a gyro sensor.

Pros

  • It is built from very solid materials.
  • Its price is worth it for what you get for your money.
  • Its interface is easy to use.

Cons

  • It does not come with a built-in camera.
  • Some reviews have shared that the GPS feature should be improved.

Our verdict

The Samsung Galaxy Watch 4 Classic is the best ECG smartwatch to wear in, for example, a business setting because of its formal design.

Apart from its design, the watch also has many essential upgrades to offer compared to its predecessor, and it also comes with several essential features for day-to-day use.

Its most outstanding upgrades are that the newer watch runs on Wear OS, that its RAM and internal storage have been upgraded, and that the battery life has been improved.

Also, some awesome features that can’t be missed in this newer model are its blood pressure monitoring feature, its accelerometer feature, and its heart rate monitoring feature.

>>> Check out the price of the Samsung Galaxy Watch 4 Classic on Amazon <<<

7. Withings ScanWatch Horizon* Best Hybrid Watch With ECG *

The Withings ScanWatch Horizon is the best hybrid ECG watch that you can buy on the market today.

But apart from its ECG feature, this hybrid watch has many more awesome features to offer which I’ll go through for you once I’ve explained how you can take an ECG reading with this watch, and once you’ve read which outputs the ECG feature can give.

How can you take an ECG reading with the Withings ScanWatch Horizon?

An ECG reading is quite easy to take with the Withings ScanWatch Horizon.

You should follow the following steps:

  1. Rest your hand and arm on where the watch is located, on a table whilst sitting down.
  2. Scroll through the menu of the watch and select the ECG feature.
  3. Place your fingers on the front electrode and hold them there until the 30 seconds are over.
  4. The result of the reading will appear on your watch and then you can even share the results directly with your doctor if you want.
  5. If you want to be informed about the details of the reading, however, then you should check out the Health Mate App on your connected phone.

If you’d rather watch a video on how to take an ECG reading with the Withings ScanWatch Horizon then you should check out the video below.

What outputs can the ECG feature of the Withings ScanWatch Horizon give you?

The ECG feature of the Withings ScanWatch Horizon can give you besides your heart rate one of the following outputs:

  • A normal sinus rhythm.
  • An Atrial Fibrillation result.
  • An inconclusive result.

Improvements of the Withings ScanWatch Horizon

When compared to the Withings ScanWatch, the Withings ScanWatch Horizon has received a bit more upgrades which are:

  • That it is now resistant to 10 ATM water pressure instead of 5 ATM.
  • That its design and materials have been upgraded nicely.
  • That it now comes with Sapphire glass, and with a Super-LumiNova coating on its watch hands and its stainless-steel rotating bezel.

>>> Check the customer reviews of the Withings ScanWatch Horizon on Amazon <<<

Other Features

  • The watch has the following dimensions: 43 x 43 x 13.28 mm.
  • The screen of the watch is ​​1.7 inches.
  • The watch weighs 72 grams.
  • The watch can track your daily activities.
  • This watch comes with a SpO2 feature.
  • The watch will notify you of when it is bedtime.
  • The watch can measure the stress levels of your heart.
  • The watch comes with a built-in oximeter.

Pros

  • It comes with up to 30 days of battery life which is very decent.
  • This watch is very stylish.

Cons

  • Compared to its predecessor there are not many upgrades, and the price of the Withings ScanWatch Horizon is a lot higher.
  • To some people, this watch will be too heavy and bulky.

Our verdict

If you truly want to see a better resistance to water pressure, an upgraded design, and a better build then the Withings ScanWatch Horizon will have the upper hand when compared to its predecessor, the Withings ScanWatch.

If you, however, are not in desperate need of these upgrades then choosing its predecessor will save you a decent amount of money.

You’ll, however, also find other essential features in the Withings ScanWatch Horizon like, for example, that it comes with a SpO2 feature, and that it comes with a built-in oximeter.

>>> Check out the price of the Withings ScanWatch Horizon on Amazon <<<

8. Apple Watch Series 5* Very Reliable Apple Watch With ECG *

The Apple Watch Series 5 is a reliable ECG watch that comes with some upgrades when compared to its predecessor which will be covered right here, together with the other features that the watch has to offer.

But first, let’s inform you about how you can take an ECG reading with this watch and what the outputs are that the ECG feature can give.

How can you take an ECG reading with the Apple Watch Series 5?

The Apple Watch Series 5 can take an ECG reading, in the same way, the Apple Watch Series 7 can, and, therefore, you can scroll up to the first watch which I’ve covered in this list if you want to find out how you can take an ECG reading on the Apple Watch Series 5.

Click here if you want to scroll back up to the steps of how to do an ECG reading.

What outputs can the ECG feature of the Apple Watch Series 5 give you?

The outputs that the ECG feature of the Apple Watch Series 5 can give are the same that the Apple Watch Series 7 can give, and, therefore, the outputs are a sinus rhythm reading, an Atrial Fibrillation reading, an inconclusive reading, a poor recording reading, or a high or low heart rate reading.

Improvements of the Apple Watch Series 5

Compared to its predecessor, the Apple Watch Series 4, the Apple Watch Series 5 is apart from a few features, pretty much the same watch.

The following features are upgrades that the Series 5 has gained:

  • The Series 5 has a new international calling feature which can be activated by pressing and holding the side button of the watch if you either have the cellular version or if you are keeping your iPhone close to your watch.
  • It also comes with an always-on display feature which isn’t present in its predecessor.
  • It is built from new ceramic and titanium materials.
  • It comes with a built-in compass.

>>> Check the customer reviews of the Apple Watch Series 5 on Amazon <<<

Other Features

40 mm model

  • The watch has the following dimensions: 40 x 34 x 10.7 mm (1.57 x 1.34 x 0.42 in).
  • The screen of the watch is ​​1.57 inches.
  • It comes with a screen resolution of 394 x 324 pixels.
  • The watch weighs 39.8 grams.
  • The watch comes with a Li-Po 245 mAh non-removable battery.

44 mm model

  • The watch has the following dimensions: 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in).
  • The screen of the watch is ​​1.78 inches.
  • It comes with a screen resolution of 448 x 368 pixels.
  • The watch weighs 47.8 grams.
  • The watch comes with a Li-Po 296 mAh non-removable battery.

Both models have these features:

  • The watches come with an eSIM.
  • The smartwatches come with an NFC feature.
  • They have 50m water resistance.
  • They come with 32 GB of internal storage and 1 GB of RAM.
  • They come with GPS.
  • The smartwatches can be charged wirelessly.
  • Both smartwatches come with the following sensors: a barometer, a gyroscope, a heart rate monitor, and an accelerometer.

Pros

  • It is a feature-rich watch.
  • It is a very reliable watch.
  • Its performance is fast.

Cons

  • The battery life of the watch hasn’t been improved when compared to its predecessor.
  • Its design is the same as the design of its predecessor.

Our verdict

All in all, it can be said that the Apple Watch Series 5 isn’t a big upgrade when compared to its predecessor, the Apple Watch Series 4 as, for example, its battery life, and overall performance haven’t gained any improvements.

If you, however, badly want a built-in compass, and an always-on display feature then upgrading to the Apple Watch Series 5 is a good option for you.

Besides, the watch also offers good water resistance, the watch can be charged wirelessly, and it comes with an NFC feature that enables you to pay wirelessly with the watch at stores that support this paying method.

>>> Check out the price of the Apple Watch Series 5 on Amazon <<<

9. Fitbit Charge 5* Best And Cheapest ECG Fitness Tracker *

The Fitbit Charge 5 is the best and cheapest ECG fitness tracker option you’ll find on the market, so if you’re a big fan of fitness trackers and want an ECG feature then this one will be a good choice.

The Fitbit Charge 5 also has a lot of features that will be of huge benefit to the user which I’ll thoroughly cover once I’ve explained how you can take an ECG reading with this fitness tracker, and after I’ve shared with you what outputs its ECG feature can give.

How can you take an ECG reading with the Fitbit Charge 5?

The ECG feature of the Fitbit Charge 5 works in the same way as the ECG feature of the Fitbit Sense which I’ve already covered in this list.

If you want to read how you can take an ECG reading with the Fitbit Charge 5 then you should check out the information on the Fitbit Sense smartwatch (which was the fifth smartwatch covered on this list).

Click here if you want to scroll back up to an explanation of the steps you would need to take to do an ECG reading with a Fitbit watch.

If you’d, however, rather watch a video on how to take an ECG reading with the Fitbit Charge 5, then you can check out the video below.

What outputs can the ECG feature of the Fitbit Charge 5 give you?

The results that you can expect to see after you’ve taken an ECG reading are a sinus rhythm, an Atrial Fibrillation, or an inconclusive reading.

The inconclusive reading can occur due to a too high heart rate, a too low heart rate, or it can occur because the Fitbit Charge 5 was unable to make a correct reading.

Improvements of the Fitbit Charge 5

When compared to its predecessor, the Fitbit Charge 4, the Fitbit Charge 5 does come with some essential upgrades which are:

  • The newer model now has an Electrodermal Activity (EDA) sensor for detecting stress.
  • The newer model has a Daily Readiness score feature which can show you different metrics like, for example, your fitness fatigue level (activity), it can show your recently done sleeping cycles, and your Heart Rate Variability (HRV) which all together can give you a good idea whether your body is ready for exercise or not.
  • The newer model now comes with an always-on display feature.
  • It comes with more aesthetic changes like, for example, that it has a stainless steel case, that its metallic accents are more elevated, and it comes with a curvier face.

>>> Check the customer reviews of the Fitbit Charge 5 on Amazon <<<

Other Features

  • The watch has the following dimensions: 36.7 x 22.7 x 11.2 mm.
  • The screen of the watch is ​​1.04 inches.
  • It has a battery life of more than seven days on a full charge.
  • The watch weighs 28 grams.
  • This watch can measure your blood oxygen (SpO2).
  • It can be paired with both Android and iOS devices.
  • It can track your body temperature.
  • It has 5ATM water resistance and the watch can be worn during swims.
  • It comes with a built-in GPS.
  • It has an NFC feature.
  • It also comes with an accelerometer and an ambient light sensor.

Pros

  • It is a very compact and lightweight fitness tracker.
  • This fitness tracker is quite fast for its price.

>>> Check out the price of the Fitbit Charge 5 on Amazon <<<

Cons

  • It doesn’t support Spotify Music anymore.
  • It does not come with a built-in weather app.

Our verdict

If you are on a budget but still want a reliable ECG fitness tracker from a respectable and trustworthy company then you should consider this fitness tracker.

It also has gained some notable upgrades when compared to its predecessor, like, for example, that the newer model now has an Electrodermal Activity sensor for detecting stress, and that this model now has an always-on display.

Apart from the upgrades, this fitness tracker can also measure your blood oxygen, it comes with GPS, and its battery can last for up to seven days on a full charge.

Related Article: “The 13 Best Smartwatches for Elderly People in 2022

10. Samsung Galaxy Watch 4* Cheapest Samsung ECG Smartwatch With Wear OS *

The Samsung Galaxy Watch 4 is an amazing ECG smartwatch option if you’re looking for a smartwatch that operates on Wear OS and if you’re also looking for the cheapest option.

Besides, its ECG feature, and its upgraded operating system, the watch has much more to offer which I’ll cover after I’ve explained how you can take an ECG reading with this watch and what the outputs can be of an ECG reading.

How can you take an ECG reading with the Samsung Galaxy Watch 4?

You can take an ECG reading with the Samsung Galaxy Watch 4 in the same way you would take an ECG reading with the Apple Watch Series 7 which I’ve covered as first on this list of ECG smartwatches.

So, if you want to read the steps of doing an ECG with the Samsung Galaxy Watch 4 then you should check out the steps that I’ve covered about the Apple Watch Series 7 at the start of this best list.

Click here if you want to scroll back up to the steps of how to do an ECG reading.

If you’d rather watch a YouTube video on how to correctly do an ECG reading on the Samsung Galaxy Watch 4 then you should follow the video that is shared below.

What outputs can the ECG feature of the Samsung Galaxy Watch 4 give you?

The outputs that the ECG feature of the Samsung Galaxy Watch 4 can give are pretty much the same outputs that are given by the ECG feature of the Apple Watch Series 7 which are a Sinus Rhythm result, an Atrial Fibrillation result, an inconclusive result, or a poor recording result.

Improvements of the Samsung Galaxy Watch 4

The Samsung Galaxy Watch 4 comes with some nice upgrades when compared to the Samsung Galaxy Watch 3 which are:

  • The new model now comes with Wear OS.
  • Its RAM has been upgraded to 1.5 GB and internal storage to 16GB instead of 1 GB and 8 GB.
  • The Galaxy Watch 4 comes with a touch-capacitive bezel around its display whilst the Galaxy Watch 3 comes with a rotating bezel.
  • The Galaxy Watch 4 is slimmer than the Galaxy Watch 3 because the newer model now has a BioActive sensor that comes with all the health tracking functionalities built in instead of various loose parts which are present in the Galaxy Watch 3.
  • The newer model now comes with better battery life.
  • This model can measure information about your body composition, for example, BMI, fat levels, and water levels.
  • The chipset of the newer model has been upgraded to an Exynos W920 chipset which is much faster than the Exynos 9110 chipset which was present in its predecessor.

>>> Check the customer reviews of the Samsung Galaxy Watch 4 on Amazon <<<

Other Features

40 mm model

  • The watch has the following dimensions: 40.4 x 39.3 x 9.8 mm (1.59 x 1.55 x 0.39 in).
  • The screen of the watch is ​​1.2 inches.
  • It comes with a screen resolution of 396 x 396 pixels.
  • The watch weighs 25.9 grams.
  • The watch comes with a Li-Ion 247 mAh non-removable battery.

44 mm model

  • The watch has the following dimensions: 44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in).
  • The screen of the watch is ​​1.4 inches.
  • It comes with a screen resolution of 450 x 450 pixels.
  • The watch weighs 30.3 grams.
  • The watch comes with a Li-Ion 361 mAh non-removable battery.

Both models have these features:

  • These models come with an eSIM.
  • They have 50m water resistance.
  • They come with Corning Gorilla Glass DX+.
  • They come with an always-on display.
  • They come with a built-in GPS.
  • They both come with an NFC feature.
  • These models can be charged wirelessly.
  • These models have the following sensors as well: an accelerometer, a barometer, a heart rate monitor, and a gyro sensor.

Pros

  • It’s a great option for people that love a sporty designed smartwatch.
  • This watch can accurately track your health with its various features.

Cons

  • Does not come in a formal design as the classic version does.
  • Cannot work together with iOS devices.

Our verdict

The Samsung Galaxy Watch 4 is a great ECG smartwatch option if you want to be able to work with Wear OS and if you’re looking for a cheap ECG smartwatch.

This model also comes with better battery life, a better chipset for faster performance, better internal storage, and better RAM when compared to its predecessor.

Other notable features that can be found in this smartwatch are that you can make wireless payments with its Samsung Pay feature, it’s great for swimming with its 50m water resistance, and its GPS feature can help you out whenever you get lost somewhere.

>>> Check out the price of the Samsung Galaxy Watch 4 on Amazon <<<

11. Withings ScanWatch* Cheapest ECG Hybrid Watch *

The Withings ScanWatch is the first smartwatch of the Withings brand that comes with an FDA Approved ECG feature.

Besides, its ECG feature, however, the watch has much more to offer which I’ll cover right after I’ve explained to you how you can take an ECG reading with this watch and also after you’ve found out what the outputs of the ECG reading can be.

How can you take an ECG reading with the Withings ScanWatch?

Taking an ECG reading on the Withings ScanWatch is quite simple.

If you want to find out which steps you would have to take then you can check out the Withings ScanWatch Horizon of this article (which is the seventh watch that I’ve covered in this article) because I’ve already covered there which steps you’d have to take to start and finish an ECG reading.

Click here if you want to scroll back up to an explanation of the steps you would need to take to do an ECG reading with a Withings watch.

What outputs can the ECG feature of the Withings ScanWatch give you?

The Withings ScanWatch will give you besides your heart rate, one of the following outputs after doing an ECG reading:

  • A normal sinus rhythm.
  • An Atrial Fibrillation result.
  • An inconclusive result.

Improvements of the Withings ScanWatch

The Withings ScanWatch has received some significant upgrades when compared to its predecessor the Withings Steel HR Hybrid Smartwatch.

The following upgrades are present in the Withings ScanWatch:

  • The Withings ScanWatch can take an ECG reading whilst its predecessor cannot.
  • The Withings ScanWatch comes with an oximeter sensor that can’t be found in its predecessor.
  • The screen of the ScanWatch is protected by scratch-resistant sapphire glass whilst the Steel HR has normal glass.
  • The Withings ScanWatch comes with a Respiratory Scan feature which can track any disturbances in your breathing throughout the night.
  • The Withings ScanWatch can last for up to 30 days on a full charge when used normally and can last even 20 days more if the power-reserve mode is turned on. The Steel HR instead can last up to 25 days on a full charge when used normally and can also go an additional 20 days when the power-reserve mode is turned on.

>>> Check the customer reviews of the Withings ScanWatch on Amazon <<<

Other Features

38 mm model

  • The watch has the following dimensions: 38 x 38 x 13.2 mm.
  • The screen of the watch is ​​1.6 inches.
  • The watch weighs 58 grams.
  • The screen has the following pixels 116 x 80.

42 mm model

  • The watch has the following dimensions: 42 x 42 x 13.7 mm.
  • The screen of the watch is ​​1.65 inches.
  • The watch weighs 83 grams.
  • The screen has the following pixels 116 x 80.

Both models have these features:

  • These smartwatches can track your daily activities.
  • They come with a SpO2 feature.
  • These watches have 5ATM water resistance.
  • The watches will notify you of when it is bedtime.
  • The watches can measure the stress levels of your heart.

Pros

  • This watch is built from quality materials.
  • This watch can automatically detect certain activities like swimming, or biking.
  • The watch has a minimalistic, and enjoyable design.

Cons

  • Some people find the watch to be bulky and heavy.

Our verdict

The Withings ScanWatch is a great ECG hybrid watch to buy if you’re on a budget and still want to experience reliable and helpful features.

When compared to its predecessor, the most outstanding upgrades are that the watch can now last longer on a full charge, that the watch can now withstand scratches better, and that the watch now comes with a built-in oximeter.

Apart from its upgrades, the watch also comes with a SpO2 feature, and it can even measure the stress levels of your heart.

>>> Check out the price of the Withings ScanWatch on Amazon <<<

12. Samsung Galaxy Watch 3* Best ECG Smartwatch With Tizen OS *

The Samsung Galaxy Watch 3 is one of the two remaining smartwatches with ECG that still runs on the Tizen operating system.

The newer smartwatch models of Samsung have been upgraded to work with Wear OS simply because Wear OS has a lot more to offer to the user, like, for example, many more smartwatch apps that are downloadable.

That this watch runs on Tizen OS, however, doesn’t mean that the watch has nothing to offer besides its ECG feature.

First, I’ll talk you through how you can take an ECG reading with this model, and I’ll explain what the possible outputs of its ECG feature can be.

Once these two aspects are covered then we’ll take a closer look at its features.

How can you take an ECG reading with the Samsung Galaxy Watch 3?

The steps you need to follow for taking an ECG reading with the Samsung Galaxy Watch 3 are the same steps you would need to take with the Apple Watch Series 7 which I’ve outlined whilst walking through the information of the watch which was the first watch covered in this best list.

So, if you want to read about the steps that you’ll need to take then you can check out the information on the Apple Watch Series 7 above.

Click here if you want to scroll back up to the steps of how to do an ECG reading.

If you’d rather watch a video on how to take an ECG reading on the Samsung Galaxy Watch 3 then you should check out the video below.

What outputs can the ECG feature of the Samsung Galaxy Watch 3 give you?

The outputs that the ECG feature of the Samsung Galaxy Watch 3 can give are pretty much the same outputs that are given by the ECG feature of the Apple Watch Series 7 which are a Sinus Rhythm result, an Atrial Fibrillation result, an inconclusive result, or a poor recording result.

Improvements of the Samsung Galaxy Watch 3

Some upgrades can be found in the Samsung Galaxy Watch 3 when compared to its predecessor, the Samsung Galaxy Watch Active 2.

Let’s take a look at the upgrades:

  • The Samsung Galaxy Watch 3 now comes with double the storage when compared to its predecessor.
  • The Samsung Galaxy Watch 3 has improved performance.
  • This watch now comes with a SpO2 feature.
  • This watch now comes with a rotating bezel which is a physical rotating dial. Its predecessor instead has a digital bezel that was controlled through touch which was way less satisfying to use according to many reviews.
  • The Samsung Galaxy Watch 3 can last up to 2 to 3 days on a full charge depending on how you use it whilst its predecessor can last for up to 2 days on a full charge.

>>> Check the customer reviews of the Samsung Galaxy Watch 3 on Amazon <<<

Other Features

41 mm model

  • The watch has the following dimensions: 42.5 x 41 x 11.3 mm (1.67 x 1.61 x 0.44 in).
  • The screen of the watch is ​​1.2 inches.
  • It comes with a screen resolution of 360 x 360 pixels.
  • The watch weighs 48.2 grams.
  • The watch comes with a Li-Ion 247 mAh non-removable battery.

45 mm model

  • The watch has the following dimensions: 46.2 x 45 x 11.1 mm (1.82 x 1.77 x 0.44 in).
  • The screen of the watch is ​​1.4 inches.
  • It comes with a screen resolution of 360 x 360 pixels.
  • The watch weighs 53.8 grams.
  • The watch comes with a Li-Ion 340 mAh non-removable battery.

Both models have these features:

  • These models come with an eSIM.
  • They have 50m water resistance.
  • They come with Corning Gorilla Glass DX.
  • They come with an always-on display.
  • They come with a built-in GPS.
  • They both come with an NFC feature.
  • These models can be charged wirelessly.
  • These models have the following sensors as well: an accelerometer, a barometer, a heart rate monitor, and a gyro sensor.

Pros

  • It comes with a premium design.
  • It comes with great fitness features.
  • This watch can give you essential insights into your day-to-day sleeping cycles.

Cons

  • The watch is bulkier than its predecessor, the Samsung Galaxy Watch Active 2.
  • This watch can’t work well together with iOS devices.

Our verdict

There are significant upgrades that this watch has gained when compared to its predecessor.

The Samsung Galaxy Watch 3, for example, comes with better performance, with extended battery life, and it also has double the storage of its predecessor.

So, if you would ask me whether it would be worth the money to choose the Samsung Galaxy Watch 3 over the Samsung Galaxy Watch Active 2 then I would say that the Samsung Galaxy Watch 3 would be the better investment in the long run.

>>> Check out the price of the Samsung Galaxy Watch 3 on Amazon <<<

13. Apple Watch Series 4* Cheapest Apple Watch With ECG *

If you’re looking for a durable and reliable Apple ECG smartwatch that also comes with the cheapest price that you’d have to pay for an ECG Apple Watch then the Apple Watch Series 4 will be a good choice.

Besides, its cheap price, however, this smartwatch has a decent amount of helpful features to offer which I’ll share with you once I’ve explained how you can take an ECG reading with this watch, and after I’ve shared what the outputs of its ECG feature can be.

How can you take an ECG reading with the Apple Watch Series 4?

The Apple Watch Series 4 can take an ECG reading, in the same way, the Apple Watch Series 7 can, and, therefore, you can scroll up to the first watch I’ve covered in this list if you want to find out how you can take an ECG reading on the Apple Watch Series 4.

Click here if you want to scroll back up to the steps of how to do an ECG reading.

If you’d rather watch a video explaining how to take an ECG reading on the Apple Watch Series 4 then you should check out the video below.

What outputs can the ECG feature of the Apple Watch Series 4 give you?

The outputs that the ECG feature of the Apple Watch Series 4 can give are the same that the Apple Watch Series 7 can give, and, therefore, the outputs are a sinus rhythm reading, an Atrial Fibrillation reading, an inconclusive reading, a poor recording reading, or a high or low heart rate reading.

Improvements of the Apple Watch Series 4

When comparing the Apple Watch Series 4 to its predecessor, the Apple Watch Series 3 then some improvements can be found in the newer model.

These improvements are:

  • The internal storage of the Apple Watch Series 4 has been improved from 8 GB which is present in its predecessor to 16 GB.
  • The Apple Watch Series 4’s performance has improved when compared to its predecessor.
  • This Apple Watch comes with an ECG feature that can’t be found in its predecessor.
  • This model comes in either stainless steel or aluminum, and is also available in the colors silver, space gray, or black and gold whilst its predecessor is only available in aluminum and the colors space gray, gold, or silver.
  • The bezel of this model has been removed, so the screen is now brought nearly to the edges for a larger screen whilst its predecessor does come with a bezel and a smaller screen.
  • The loudspeaker is 50 % louder than its predecessor.

>>> Check the customer reviews of the Apple Watch Series 4 on Amazon <<<

Other Features

40 mm model

  • The watch has the following dimensions: 40 x 34 x 10.7 mm (1.57 x 1.34 x 0.42 in).
  • The screen of the watch is ​​1.57 inches.
  • It comes with a screen resolution of 394 x 324 pixels.
  • The watch weighs 40 grams.
  • The watch comes with a Li-Ion 225 mAh (0.86 Wh) non-removable battery.

44 mm model

  • The watch has the following dimensions: 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in).
  • The screen of the watch is ​​1.78 inches.
  • It comes with a screen resolution of 448 x 368 pixels.
  • The watch weighs 48 grams.
  • The watch comes with a Li-Ion 292 mAh battery (1.12 Wh) non-removable battery.

Both models have these features:

  • The watches come with an eSIM.
  • The smartwatches come with an NFC feature.
  • They have 50m water resistance.
  • They come with 16 GB of internal storage and 1 GB of RAM.
  • They come with GPS.
  • Their screens are protected by Sapphire Crystal Glass.
  • The smartwatches can be charged wirelessly.
  • Both smartwatches come with the following sensors: a barometer, a gyroscope, a heart rate monitor, and an accelerometer.

Pros

  • It has a lightweight design.
  • It comes with various helpful health features.
  • It comes with a fall detection feature.

Cons

  • The battery life of this watch hasn’t been improved when compared to its predecessor.

Our verdict

When comparing the features of the Apple Watch Series 4 to its predecessor, the Apple Watch Series 3, it is as clear as day to me that the Apple Watch Series 4 will be the better one to choose.

First of all, the Series 3 does not come with an ECG feature, so you’ll need to at least buy the Apple Watch Series 4 if you want to have an ECG feature on your Apple Watch.

Also, its internal storage has been doubled when compared to its predecessor, and also its performance has been improved.

>>> Check out the price of the Apple Watch Series 4 on Amazon <<<

14. Samsung Galaxy Watch Active 2* Cheapest Samsung Watch With ECG *

The last smartwatch on this list is the cheapest Samsung Galaxy Watch that comes with an ECG feature which is the Samsung Galaxy Watch Active 2.

Besides, its ECG feature, the Samsung Galaxy Watch Active 2 has a lot more to offer which I’ll cover below after I’ve shared with you how you can do an ECG reading with this smartwatch, and also after I’ve explained what outputs its ECG feature can give.

How can you take an ECG reading with the Samsung Galaxy Watch Active 2?

You can take an ECG reading with the Samsung Galaxy Watch Active 2 in the same way you would take an ECG reading with the Apple Watch Series 7 which I’ve covered as first on this list of ECG smartwatches.

So, if you want to read the steps of doing an ECG with the Samsung Galaxy Watch Active 2 then you should check out the steps that I’ve covered about the Apple Watch Series 7 at the start of this best list.

Click here if you want to scroll back up to the steps of how to do an ECG reading.

What outputs can the ECG feature of the Samsung Galaxy Watch Active 2 give you?

The outputs that the ECG feature of the Samsung Galaxy Watch Active 2 can give are pretty much the same outputs that are given by the ECG feature of the Apple Watch Series 7 which are a Sinus Rhythm result, an Atrial Fibrillation result, an inconclusive result, or a poor recording result.

Improvements of the Samsung Galaxy Watch Active 2

The Samsung Galaxy Watch Active 2 comes with a few upgrades when comparing the watch to its predecessor, the Samsung Galaxy Watch Active.

The improvements are:

  • This watch is now available as an LTE version as well.
  • The screen of the Samsung Galaxy Watch Active 2 is more durable than that of its predecessor.
  • The RAM of this watch has been doubled when compared to its predecessor.
  • The battery capacity of this watch has been improved to a 340 mAh battery whilst its predecessor has a 230 mAh battery.
  • This watch comes with Bluetooth 5.0 whilst its predecessor only has Bluetooth 4.2.

>>> Check the customer reviews of the Samsung Galaxy Watch Active 2 on Amazon <<<

Other Features

40 mm model

  • The watch has the following dimensions: 40 x 40 x 10.9 mm.
  • The screen of the watch is ​​1.2 inches.
  • It comes with a screen resolution of 360 x 360 pixels.
  • The watch weighs 37 grams.

44 mm model

  • The watch has the following dimensions: 44 x 44 x 10.9 mm.
  • The screen of the watch is ​​1.4 inches.
  • It comes with a screen resolution of 360 x 360 pixels.
  • The watch weighs 44 grams.

Both models have these features:

  • These models come with an eSIM.
  • They have 50m water resistance.
  • They come with Corning Gorilla Glass DX+.
  • They come with an always-on display.
  • They come with a built-in GPS.
  • They both come with an NFC feature.
  • These models can be charged wirelessly.
  • These models have the following sensors as well: an accelerometer, a VO2max sensor, a barometer, a heart rate monitor, and a gyro sensor.

Pros

  • Can correctly track your activities, and is also good for tracking your sleeping cycles.
  • Its design is minimalistic which a lot of users will love.
  • It comes with an integrated music player which comes in very handy whilst, for example, doing your daily run or workout.

>>> Check out the price of the Samsung Galaxy Watch Active 2 on Amazon <<<

Cons

  • This watch is heavier than its predecessor.
  • This model does not come with a built-in camera.

Our verdict

When comparing the Samsung Galaxy Watch Active 2 to its predecessor, the Samsung Galaxy Watch Active then it becomes quite clear to me that the Active 2 will be the better choice, and is even the essential one if you need a Samsung smartwatch that comes with an ECG feature because its predecessor does not have this feature.

Besides its ECG feature, however, the Active 2 comes with an improved battery, and a more durable display and this one is also available as an LTE version which are all features that cannot be found in its predecessor.

Other notable features that I’ve seen in this smartwatch are its water resistance feature, that it is possible to pay wirelessly with this watch at stores, and that it comes with a VO2max sensor which is key when it comes to understanding and managing your fitness levels.

Related: “5 Extraordinary Smartwatches that have a Pulse Oximeter

FAQ

1. Which is the best smartwatch with ECG?

The Apple Watch Series 7 is chosen as the best ECG smartwatch for people who love iOS and for Android lovers the Samsung Galaxy Watch 5 Pro smartwatch is the best ECG smartwatch.

2. What’s the cheapest ECG watch?

The cheapest ECG smartwatch in this article is the Fitbit Charge 5.

3. Which smartwatch is FDA approved?

There are various smartwatches out there that have been approved by the Food and Drug Administration.

Examples of smartwatches that have been approved are the Apple Watch Series 7, the Samsung Galaxy Watch 5 Pro, the Apple Watch Series 6, the Samsung Galaxy Watch 5, the Fitbit Sense, the Samsung Galaxy Watch 4 Classic, the Withings ScanWatch, the Apple Watch Series 5, the Withings ScanWatch Horizon, the Samsung Galaxy Watch 4, the Samsung Galaxy Watch 3, the Apple Watch Series 4, the Samsung Galaxy Watch Active 2, and the Fitbit Charge 5.

4. Which smartwatch has ECG and SpO2?

There are various smartwatches on the market that come with both ECG and SpO2 features. Examples of such smartwatches are the Apple Watch Series 7 and the Apple Watch Series 6.

5. Are EKG and ECG the same?

EKG and ECG are the same but EKG is the abbreviation of Elektro-kardiographie which is the German translation for Electrocardiogram (ECG).

6. Can a Fitbit do an EKG?

There are certainly Fitbit smartwatches out there that can do an EKG reading.

The Fitbit Sense and the Fitbit Charge 5 are both examples of Fitbit smartwatches that can do an EKG reading.

7. Is Apple ECG accurate?

All the Apple Watches that come with an ECG feature are FDA Approved smartwatches which ensure that these Apple Watches will make accurate ECG readings each time.

8. How accurate is Fitbit ECG?

According to research that has been done on how accurate the Fitbit ECG is, Fitbit smartwatches with an ECG feature can detect over 98% of Atrial Fibrillation cases and the accuracy of detecting normal sinus rhythm was 100%.

9. Is Fitbit ECG FDA approved?

Fitbit smartwatches that have an ECG feature have been approved by the Food And Drug Administration (FDA).

10. How accurate is Fitbit 5 ECG?

Research has shown that the Fitbit Charge 5 can detect over 98% of Atrial Fibrillation cases and the accuracy to detect normal sinus rhythm was 100%.

11. Which Fitbit has ECG?

The Fitbit Sense and the Fitbit Charge 5 are both examples of Fitbit smartwatches that are available with an ECG feature.

12. Can Apple Watch detect heart palpitations?

Apple Watches can detect heart palpitations which are feelings of having a fast-beating, pounding, or fluttering heart.

Although most heart palpitations are harmless as they can be triggered by regular exercise, occasional stress, or certain medications, heart palpitations can also be a sign of a medical condition like, for example, Atrial Fibrillation.

13. Can a smartwatch detect heart problems?

ECG smartwatches that are FDA Approved can accurately detect Atrial Fibrillation.

But apart from being able to detect AFib, smartwatches cannot detect other serious heart problems like, for example, a stroke, heart failure, or a heart attack.

Therefore, it is essential to never solely rely on your smartwatch when it comes to your health and always contact your general practitioner whenever you’re unsure about your health.

14. Does the Samsung watch have ECG?

There are various Samsung smartwatch models out there that come with an ECG feature.

Examples of Samsung smartwatches that come with an ECG feature are the Samsung Galaxy Watch 5 Pro, the Samsung Galaxy Watch 5, the Samsung Galaxy Watch 4 Classic, the Samsung Galaxy Watch 4, the Samsung Galaxy Watch 3, and the Samsung Galaxy Watch Active 2.

15. Is the ECG on Samsung watch 4 accurate?

All the Samsung smartwatches that come with an ECG feature are FDA Approved and are, therefore, very accurate with their ECG readings.

This is the case because a product needs to be properly tested for its accuracy to become FDA Approved.

16. Is Galaxy Watch 4 ECG FDA approved?

The Samsung Galaxy Watch 4 is just like all the other Samsung smartwatches that come with an ECG feature, FDA Approved, and can, therefore, be trusted when it comes to its accuracy.

17. Do all Galaxy Watches 4 have ECG?

Both the Samsung Galaxy Watch 4 and the Samsung Galaxy Watch 4 Classic come with an ECG feature that has been FDA Approved.

18. Can the Samsung Watch detect irregular heartbeat?

The following Samsung smartwatches can detect Atrial Fibrillation which is a type of irregular heart rhythm: the Samsung Galaxy Watch 5 Pro, the Samsung Galaxy Watch 5, the Samsung Galaxy Watch 4 Classic, the Samsung Galaxy Watch 4, the Samsung Galaxy Watch 3, and the Samsung Galaxy Watch Active 2.

19. Which smartwatch has ECG and blood pressure monitoring?

Various Samsung smartwatches can both do an ECG and measure your blood pressure.

You can do an ECG reading and measure your blood pressure with the Samsung Galaxy Watch 5 Pro, the Samsung Galaxy Watch 5, the Samsung Galaxy Watch 4 Classic, the Samsung Galaxy Watch 4, the Samsung Galaxy Watch 3, and the Samsung Galaxy Watch Active 2.

20. Which smartwatch can measure blood pressure and oxygen?

The following smartwatches can both track your blood pressure and also the oxygen levels in your blood (SpO2): the Samsung Galaxy Watch 5 Pro, the Samsung Galaxy Watch 5, the Samsung Galaxy Watch 4 Classic, the Samsung Galaxy Watch 4, and the Samsung Galaxy Watch 3.

Comparison Table Of The 5 Most Outstanding ECG Smartwatches Of This Article

Product

Features

* Best ECG Smartwatch For iOS *

  • 33 % Faster charging than its predecessor.

  • 20 % Larger screen area when compared to its predecessor.

  • Can be worn during swims.

* Best ECG Smartwatch For Android *

  • Can last up to 80 hours on a full charge.

  • Improved screen protection.

  • Comes with a GPX feature.

* Best Fitbit Smartwatch With ECG *

  • Can last more than six days on a full charge.

  • Comes with 5 ATM water resistance.

  • Comes with a built-in oximeter.

* Best Hybrid Watch With ECG *

  • Comes with 10 ATM water resistance.

  • Comes with a SpO2 feature.

  • Can measure the stress levels of your heart.

* Best ECG Smartwatch With Blood Pressure Monitoring And SpO2 *

  • Can last up to 50 hours on a full charge.

  • Comes with an all-screen display (bezel now digital instead of physical).

  • Comes with 16 GB of internal storage, and 1.5 GB of RAM.

Final Verdict

Which ECG smartwatch or fitness tracker you decide to buy, in the end, totally depends on your preferences when it comes to the brand, necessary features, battery life, and the price of the watch.

What I would recommend you do before you make a decision though is to weigh the differences between the covered smartwatches, and their predecessors which I’ve covered for every watch that has a predecessor.

Doing this together with comparing the list of features of every watch will eventually bring you to the ECG watch that you know will fit you best.

What’s awesome about this article though is that you do not have to worry about whether a smartwatch that you desire on this list comes with a quality ECG feature or not, as the volume of research that I’ve put into creating this list of best FDA Approved ECG smartwatches has completely gotten rid of this potential doubt for you.

I hope that this in-depth buyer’s guide has given you a better idea of which ECG smartwatch/fitness tracker you want to try out, and if you’re not sure yet because of any doubts then don’t hesitate to share your doubts with me in the comments below, so that I can then potentially help you there.

Wouter

Wouter is a passionate technology-related blogger who enjoys researching and writing about smartwatch-related topics.

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