Top 6 FDA-approved ECG smartwatches in 2024

In today’s world, one of the leading causes of death all around the world is heart disease. Only in the USA, do 3 face cardiac arrest every 2 minutes. So, the rate of heart disease is truly alarming. The best way to prevent cardiac arrest is to recognize the initial signs of it. And this is where an FDA-approved ECG smartwatch comes into play.
Even though an ECG smartwatch does not necessarily detect a cardiac arrest, you can recognize the early signs from its data.

If you see that you are going through irregular heart rates from your ECG smartwatches, you can go to the doctor for a check-up immediately. This not only provides you the opportunity to stay safe but can save many lives in the long run.
But with so many options for ECG smartwatches on the market at the moment, it can be challenging to choose the perfect one for your needs. To get the perfect one, you need to know how to choose an ECG smartwatch. And if you are someone asking the question, we have the answer.
If you want to invest your money in an ECG smartwatch, you should get one with FDA or other well-known health authorities’ approvals.

But to make things even simpler, today we have come up with the list of the top 6 ECG smartwatch that is approved by the FDA and other health authorities. We have also included all the features it provides, so you know what you are investing in.
But before checking that, let us check out how ECG works and what it is.

What is ECG?

An ECG or Electrocardiogram is a cutting-edge technology that can detect and measure all the electrical signals associated with your heart rate. It is one of the most popular procedures that doctors use to check up on their patients. The process involves minimum hassle and a pain-free experience.
In previous years, the only way to record an ECG was to go to the doctor and do the test. But with modern-day wireless ECG wearables, the process has become much easier.
If the ECG smartwatch warns you about atrial fibrillation, in short AFib, you can quickly get medical attention.

How does the ECG smartwatch work?

The smartwatch has built-in sensors that can measure electrical activity from your heartbeat and provide you with an EXG/EKG reading.
Although Smartwatch ECG can not replace clinical ECG completely, it can provide enough identification so you can save your life by going to a doctor when needed.

So without any further ado, let us check out today’s list of the best ECG smartwatches in 2023

  1. Fitbit sense 2
  2. Samsung Galaxy Watch 3
  3. Samsung Galaxy Watch Active2
  4. Apple Watch Series 6
  5. Apple Watch Series 4
  6. Alivecor KardiaMobile 6L

Fitbit Sense 2: The very first Fitbit ECG smartwatch

If you are familiar with the world of smartwatches, then you must already have heard about Fitbit. The company has made its mark on the world of smartwatches by crafting some of the most sensational devices for users. But before Fitbit Sense, none of their product had ECG tracking features.

Fitbit Sense 2 is the first smartwatch in the Fitbit line with an excellent ECG tracking feature. And the great news about this product is that it is FDA-approved. That means you can use the product without any worry about it providing misleading data.
The Fitbit sens offers a 30-second ECG technique. During these 30 seconds, the ECG sensor in the smartwatch will measure and detect if there is any abnormal heart rhythm in your body.

When the 30 seconds are up, you will get a full ECG report from the device. If you see an ordinary ECG report with a normal heart rate, you are in the clear. But if it shows AFib, you should immediately go see the doctor.
Additionally, the Fitbit Sense also comes with other features. Some of the highlighting features of this smartwatch are its heart rate monitoring, skin temperature monitoring, sleep tracking, calorie tracking, and oxygen saturation measurement.
With the heart rate monitoring system in the Fitbit sense, you will get a warning if your heart rate is below or above the normal zone. If you are facing a heart rate that is out of the ordinary, make sure to check the ECG on your Fitbit Sense.
The average battery life of the Fitbit Sens is up to 6 days. But the battery life is variable depending on your use of music, streaming, and other functionalities like GPS and such. But the great news is, if you are dealing with a low battery and do not have much time to charge it, you can just charge it for 10 to 12 minutes for a day-long battery backup.


Without a doubt, Fitbit Sense is one of the best ECG smartwatches on the market at the moment. But with such a massive price, it does lack some of the features like LTE and SOS.

Samsung Galaxy Watch 5: The best ECG smartwatch for Android

If you are on the market looking for an ECG watch for your Android device, then the Samsung Galaxy Watch 5 has got everyone beat.

This powerful smartwatch will let you dive into your health and give you a great look at your health status. If you are looking for an Apple watch alternative, then the Samsung Galaxy Watch 5 is the best option for you.
Just like the other top ECG smartwatch, the Samsung Galaxy Watch 5 is FDA-approved. So there is no need for you to worry about its accuracy when it comes to the ECG.
One of the greatest stand-out points for the Samsung Galaxy Watch 5 is that it offers blood pressure sensing alongside the ECG measurement. This makes the Samsung Galaxy Watch 5 one of the best choices on the market.

The other health features it provides are heart rate monitoring, blood oxygen level monitoring, calorie tracking, etc.
And the unique feature of this Samsung Galaxy Watch 3 is its fall detection. That means, whenever the smartwatch detects that you just faced a hard fall, it will send the SOS location to the emergency number you have previously input. If the fall alarm is not deactivated within a reasonable time by you, it will automatically place a call to the emergency service.

The Samsung Galaxy Watch 3 also comes in two different variants. One is the 41 mm version and the other is the 45 mm version. The key thing to note is that both versions’ battery life is different. That means the 45 mm variant has a bigger battery and will provide more battery life than the previous one.

the Samsung Galaxy watches 3 can last up to 5-6 days from one full charge. But just like any other smartwatch, the battery life may vary depending on the usage. But an excellent feature of this smartwatch is that you can get a quick charge boost with wireless power share from your compatible Galaxy phone.


If you have money to spend and want the best ECG smartwatch for Android, then the Samsung Galaxy watch # will be a very good option. It offers all the essential features that a perfect smartwatch should have like, heart rate monitoring, ECG, Blood pressure monitoring, blood oxygen level monitoring and so much more.
And the premium look and fall detection are just the icings on the cake.

Upgrade your life with the Galaxy Watch 5—your ultimate fitness companion and smart assistant on your wrist!

Samsung Galaxy Watch Active2: Best premium Android smartwatch

If you are on the search for the best-looking smartwatch for Android then, you have come to the right place. The Samsung Galaxy Watch Active2 is the nicest looking smartwatch with ECG features that is sleek, modern, and fairly lightweight.

The advanced ECG tracking feature of the Samsung Galaxy Watch Active2 has FDA approval. That means the watch will track your heart rhythm with high precision and accuracy.

Just like the Galaxy Watch3, the Samsung Galaxy Watch Active2 can also check the sensors for an irregular heartbeat. This will help you detect the early signs of cardiac diseases like stroke, cardiac arrest, and much more. In case your Samsung Galaxy Watch Active2 detects any sort of abnormality in your heart rhythm, you should immediately go see the doctor.

But note that the ECG monitor on the Samsung Galaxy Watch Active2 or any other smartwatch for that matter can not completely replace the need for medical-grade equipment.
The additional features that this device offers are, tracking of common physical activities including, walking, swimming, cycling, running yoga, etc.
If you are wondering about the battery life of the Samsung Galaxy Watch Active2, it can last over 5 days on one single charge. And just like the Samsung Galaxy Watch3, this can get a battery boost from a compatible device.

The Samsung Galaxy Watch Active2 also features heart rate monitoring, sleep tracking, and perfect stress tracing alongside its ECG monitoring feature.


If you own a brand new phone and looking for a stylish smartwatch with ECG, then active2 is a very good choice. This is also the cheapest FDA-approved smartwatch from Samsung. So it is well worth the money.

Apple Watch Series 6: The best SCG and SpO2 smartwatch for IOS

Apple Watch Series 6 Is the king when it comes to the ECG smartwatch list for IOS. So if you are on the lookout for an FDA-approved ECG smartwatch that can also check your blood oxygen level, the Apple Watch Series 6 is the smartwatch for you.

The ECG monitor on the Apple Watch series 6
Can track any sort of atrial fibrillation in addition to the irregular heartbeat. So you can easily check whether you are going through the early stage of cardiac disease from the smartwatch. You can also sync your Apple Watch Series 6 for an irregular heart rate notification from your Apple Health app.

To take an ECG recording from your Apple watch series 6, you will have to sit in a quiet place and touch the top of the crow on your smartwatch for 30 seconds. During this time, the sensor will take the ECG rating and provide you with the data.

Apple Watch Series 6 also offers features like oxygen monitoring. The Advanced sensors used for oxygen monitoring provide very accurate results on your blood oxygen level,
In addition to the ECG and Spo2 features, the app also provides additional insight into your physical health.

Apple Watch Series 6 is all you will need to take care of your health and track your physical well-being, From cycling, and running to swimming and walking, the smartwatch is also designed to track all of your physical activity without any hassle.

As the best Apple watch on the market, the smartwatch offers excellent features like notification support, streaming app support like YouTube, Apple Music, or Spotify, and also reminders, and calendars.
You can also opt for an LTE-supported Apple Watch Series 6, so you can make the call from your smartwatch without having your phone around.


If you want the best health-tracking smartwatch for your iPhone, then the go-to pick would be the Apple Watches series 6. But keep in mind that it does not work with Android. So if you plan on switching your phone in the future, then you should have a backup smartwatch.

Apple Watch Series 4: A cheap ECG smartwatch for IOS

Apple Watch Series 4 is the very first smartwatch made by Apple, that has ECG tracking capability. Needless to say, the ECG track is approved by the FDA. So if you are an IOS who is looking for the cheapest Apple Watch with ECG tracking ability, then the Apple Watch Series 4 is the way to go.

Just like any other Apple smartwatch, the Apple Watch Series 4 also can detect abnormal heart rhythms. So in case you get an irregular heart rate notification, you can promptly get a check-up from the needs doctor on cardiology.

The Apple watch also comes with emergency services when needed.
The ECG feature of the Apple Watch Series 4 is the same when compared to the Apple Watch Series 5 and Apple Watch Series 6. So the reason behind the lower price is due to some of its lack in the feature.
But still, it is one of the best options on the market, due to its excellent accuracy on ECG measurement.

So if you are a bit on a tight budget, then opting for the Apple Watch Series 4 would be a great decision. This value-for-money smartwatch gives you all the basic functionalities including ECG tracking.


This is the veteran smartwatch when it comes to ECG. So needless to say this is a bit older model/ But the ECG feature that is included is the same as all the latest high-end model
However, it can’t measure blood pressure and is not compatible with Android.

Alivecor KardiaMobile 6L- Best battery backup

Unlike the previous smartwatches, this is not designed to have the same functionality. The Alivecor KardiaMobile 6L is instead an FDA-approved ECG monitor that can provide accurate ECG readings wirelessly. The device is capable of reading your heart rhythm and can detect any sort of AFib within a minute.

If you are already an owner of a smartwatch and do not want to invest in another one just for the added functionality of ECG, then Alivecor KardiaMobile 6L is the way to go. So instead of buying a brand new smartwatch, you can just buy this amazing wireless ECG monitor r and solve all of your needs.

You also can measure your ECG and send the data to your doctor via email. You can do the storage of reports and share them free from any change whatsoever.
Unlike many other smartwatches in the market, the Alivecor KardiaMobile 6L can give a new range of information for your doctor from the ECG result.

Additionally, if you purchase a subscription to the Kardia Premium, Your ECG result will always be regulated by a real-life doctor in case of any sort of complication. This optional service on the Alivecor KardiaMobile 6L makes this one of the best wireless small ECG devices.
Another key thing to note is that you can also measure other heart conditions like slow heart rate, and tachycardia with the Alivecor KardiaMobile 6L.


Without a doubt, the Alivecor KardiaMobile 6L is the best portable ECG wireless monitoring system on the market at this moment. This is the best choice for someone who already owns a smartwatch but is missing out on the ECG feature.

ECG smartwatch buying guide

Before you invest your hard-earned money in the next smartwatch with FDA FDA-approved ECG monitor, there are some things that you should look for.
So without further ado, let us check out what you should look for in an ECG smartwatch and find the one according to your need.

Battery life

Even though you might not realize it, battery life is a very important factor when it comes to determining the best ECG smartwatch for you. With a smartwatch with a powerful battery, you will be able to take more ECG readings in one go. And you will not have to recharge more frequently.
So make sure you go for a smartwatch with good battery life for less inconvenience.


Another key factor when it comes to choosing the right one is the number of additional features your smartwatch provides.
Even though the main goal of your smartwatch is to do ECG tracking, you should get more details on your health with that investment.
For instance, many ECG smartwatch also tracks blood flow, oxygen level, calorie count, physical activity, and so on. Information like this is crucial for your physical well-being.


Needless to say, price is a big factor in making the right choice. With so many options on the market today, you might find very cheap ones that are not FDA-approved. But also very expensive ones that are just not worth the money. So getting an ECG smartwatch on your budget and the middle sweet spot should be your target.

In the smartphone world, two major operating systems are dominating the market. One is IOS and another is Android.
Depending on the phone you are using, you should check whether your smartwatch is compatible with that OS or not.
Some ECG smartwatches support both OS, gain most just support only one. So make sure the one you are buying is compatible with your device.

Final Thoughts

If you are someone who is dealing with cardiac problems or just concerned about their health, An FDA-approved smartwatch can go a long way. That is why we have provided the list of the 6 best FDA-approved ECG smartwatches for you today.
All of the smartwatches on the list are unique and provide the needs of different kinds of people. Some offer multiple functionalities yet some offer the minimum. So the choice is up to you.
Now that you know what each watch offers in the long run, it is time for you to get the one that suits your needs.

Note: looking for the best smartwatches under $50, then check here.

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