Best Smartwatch for Afib – Buyer’s Guide

Health-related features now become a major element of the smartwatch industry, going beyond receiving calls, messages, and apps notification to step counting, alarm setting, stopwatch, tracking workouts to an electrocardiogram(ECG), which thrust into the world of smartwatches via the Apple Watch later on through Samsung Galaxy watch 3 and latest Fitbit sense watch.

  • Smartwatches help to detect Atrial Fibrillation.

In the last few years, there has been an enormous spike in smart wearables, which can facilitate accurate heart rate monitoring. Most of them only give you superficial data that is not likely to become a medium for discovering any serious medical condition such as Atrial Fibrillation.

  • What is ECG?

An electrocardiogram is designed to evaluate how well your heart is working rather than measuring the blood flow. An ECG app records the minute electrical signals under your skin that are produced by the beating of your heart.

  • What is Afib?

Afib is an irregular heartbeat that can lead to the risk of blood clots, heart stroke, and other cardiovascular complications. According to studies, it is evaluated that in the United States, about 12.1 million people will have AFib in 2030, and currently, approximately 2.7 million American people are living with AFib.

Smartwatch is an emerging technology that has been used successfully in Afib identification. A smart wrist wearable could provide a long term evaluation of these measures economically and noninvasively.

  • Other roles of smartwatch

Smartwatches are become a source of insights into your body health directly from your wrist and help to measure:

  • Your cardio health
  • Blood-oxygen saturation level
  • Detection of irregular heartbeats
  • unnecessary exposure to loud noises
  • How much quality sleep do you get?

In this article, you can find the best smartwatch for Atrial Fibrillation and why they are best to do the job.

Best smartwatch for Afib

productBrandCase sizePrice
1.    Apple Watch Series 6Apple40mm, 44mm
2.    Apple Watch Series 5Apple44mm
3.    Samsung Galaxy Watch 3Samsung41mm,45mm
4.    Samsung Active Watch 2Samsung40mm,44mm
5.    Fitbit SenseFitbit40mm
6.    Withings MoveWithings38mm
7.    Withings Steel H.R.Withings36mm, 40mm
8.    Amazfit VergeAmazfit33mm

Apple Watch Series 6

This Watch is a masterwork of the Engineering team as in 2018, they took a key step to launch the ECG app in Apple’s watches series 4, which later on carried to series 5 and 6. Moreover, it contains all possible health features to develop an understanding of fitness in consumers.


Software and Connectivity

Apple watches 6 seamlessly pairs with iPhone 6s or above with iOS 13 or above. Through cellular connectivity, you can get calls, messages, and other social media apps notifications. It has built-in GPS and LTE and has a 20% faster U1 Ultra Wideband chip than previous models. Furthermore, it is powered by Watch O.S. 7.

Display Size

This smartwatch comes in two popular sizes: 40mm and 44mm, with plenty of color options in cases and bands. Apple Watch 6 has a beautiful 2.5x brighter colors display, and even when you are outdoors, an Always–On retina display helps you.

Health apps

This wearable health gadget helps you track your working-out activities, even underwater and in other movements, supports your quality sleep with a sleep tracking app. So, you can live healthily.

Measures blood oxygen saturation level in your body through its revolutionary new sensor and provides a PDF report of ECG for spot analysis of the heart’s rhythm to detect any irregularity for possible Afib.

Battery Life

This smartwatch delivers 18 hours of battery support after a full charge.

Water-resistant at 5ATMBit pricey
The facility of Apple pay.scratch resistance display screens are unavailable
Most accurate monitoring for AfibNot compatible with Android phones
ECG app is FDA approved
More than 20 countries are able to use the Health features
Quality speaker and microphone
Always on retina display
Availability of altimeter
Fall detection app useful for seniors

Bottom Line

In short, The Apple Watch Series 6 is absolutely the best among its competitors, with ample smart features and high-end technology.

Apple Watch Series 5

An older version of the Apple series but with all required features, this a watch that never sleeps and motivates you to sit less, move, and do exercise.



Perfect for iPhone users, having LTE and cellular connectivity allows you to attend calls or view messages.


This Watch has amazingly featured Always on retina display with 44mm size and available in Space gray Aluminium with the black sports band.

Health apps

Like its successor version, this Watch is also equipped with an ECG app and optical heart rate sensor, which is FDA, approved and gives an accurate rating.

Battery life

Apple watch series 5 supports 18 hours of battery life.

Stream your fav 60 million songsNot compatible with Android phones
Most accurate detector for Afib
Great sense of direction
App store on your wrist
excellent speaker and microphone
Pay for stuff
Fall detection app

Bottom line

With all the advanced features and the ability to download more apps that you need from the app store. You can further personalize your Watch face according to your mood.

Samsung Galaxy Watch 3

Samsung Galaxy Watch 3 is the new company’s flagship smartwatch with a more classic design, great features list, and high price tag. Best Watch for fitness-oriented people. However, this is the company’s most high-tech comfortable wrist wearable, which is lighter in weight, slimmer, and also works with an iPhone.


The Galaxy Watch 3 features these specifications.

  • Display

The Samsung Galaxy Watch 3 has an incredible design and AMOLED vivid display with 360 x 360-pixel resolution. Moreover, it comes in two convenient sizes to suit everyone: 41mm and 45mm with 22mm and 20mm leather straps.

The traditional round shape display screen is perfect for navigating all stats, and Corning Gorilla Glass DX also protects its screen.

  • Colors Availability

The galaxy watch 3 comes in Mystic Black, Mystic Silver, and Mystic Bronze.

  • Compatibility

The Samsung Galaxy Watch 3 operates with its vibrant Tizen software with fast processing due to 1GB RAM. It is seamlessly compatible with both Android smartphones and ios phones. For storage memory, it contains 8 G.B. of RAM.

Moreover, for online apps, there are 4G and LTE ready versions.

  • Health tracker

The latest key health sensors in this smartwatch are ECG, blood pressure, SpO2, stress calculator, breath trainer, and quality sleep checker. The ECG app takes a 30-sec reading after placing your finger on the top physical button, which is a sensor built, you will require remaining still resting on a flat surface with your forearm.

  • Battery life

In normal use, you will get battery life for a couple of days after a full charge of 2.5 hours, and this Watch can be charged with its wireless power share feature.

Rotatable bezelNeed a replacement band, because a leather band does not suit you in sweat.
Auto trigger 7 fitness activitiesSome inaccuracies are found in health apps.
Stainless steel stylish designedHealth monitors are still not officially use in all markets.
Waterproof up to 50 metersUnsatisfactory battery life
Health companion
Most fancy-looking Watch
Vast choice of watch bands
Made from durable material
Sunlight readability
Optical clarity
Fall detection app

Bottom line

In short, we have found Samsung Galaxy watch 3 to be a wonderful smartwatch, and the Afib detector with shrunk size and light in weight proves it to be an ideal on all-day wearability. However, to use full potential, it is suggested to use this Watch with an Android phone.

Samsung Galaxy Watch Active 2

Besides having a mishmash of traditional and sporty looks in a modest design, This Watch has plenty of updated neat features.


  • Compatibility

This Watch is compatible with both Android phones and Ios devices but for a great user experience, pair it with Samsung phones. Moreover, it is operated by Tizen O.S. Software. You can receive calls and messages from online apps as well due to 4G and LTE connectivity.

  • Size and Display

Galaxy Watch Active 2 comes in 2 top-notch display sizes of 40mm and 44mm, with 360 x 360-pixel resolution. The vivid touch screen and sensitive digital bezel support easier navigation.

This Watch is light-weighted with plenty of face bands and comes in 4 colors black, pink, gold, and Silver.

  • Health apps

This Watch is for sport-focused users; it comes with a soft silicone strap that makes it a better fit for sporty users. With solid performing Fitness apps such as optical heart rate, a built-in GPS feature helps you track your health endeavors outside.

Moreover, it boasts fall detection, running coach, and on the top ECG and B.P. monitoring as well.

  • Battery life

The Galaxy Watch active 2 gives a battery life of up to 5 days on a single charge and with wireless power-sharing.

Smaller and cheaper compared to Galaxy watch 3Lack of blood oxygen monitor
Impressive music featuresLimited storage
Water-resistant at 5ATM
Swim tracing
Samsung pay
Supporting Spotify offline playlist

Bottom Line

Overall, this Watch is recently updated with all the latest features and still available at a lower price than its successor.

Fitbit Sense

This is the new health watch introduced by Fitbit, an American company, in Sept 2020. Apart from being FDA approved for ECG app for Afib detection, it comes with a plethora of other smart health apps to monitor your health.


  • Software and Compatibility

This Watch is powered by Fitbit O.S. software, and it is greatly compatible with both Android phones and IOS phones.

  • Display Size and Color Availability

With no choices in different case sizes, it comes in a 1.58-inch display, with 360 x 360-pixel resolution, suits most wrists. Moreover, with 2 standard color options: white/gold and carbon/graphite and silicon straps in different sizes.

  • Most important health technology

In comparison to other watches, the Fitbit sense watch has:

  1. Fully capable ECG app
  2. Electrodermal activity (EDA), which checks skin temperature and stress.
  3. Calories evaluator, blood oxygen monitor, and sleep tracker.
  • Battery life

Battery life support for 7 days depends on GPS usage and online apps.


AOD displayThe laggy response of touch screen
An AMOLED screenGlitches in the use of apps
Highly durable and dust-proofDoes not LTE/cellular support
Built-in Alexa
Spotify app
Fitbit pay
Active zone minutes
20 plus sport modes
Fast charging

Bottom line

The Fitbit Sense smartwatch is an affordable watch as compared to other watches on the list, perfect for fitness tracking.

Withings Move

Withings move is an elegant and traditional-looking watch on your wrist. No one can easily judge that it is a smartwatch.



Easily compatible with both IOS and Android phones, automatically synchronize all data via health mate app.


The Watch has a 38mm case size accompanied by an 18mm silicone strap. Moreover, it is available in black and yellow color. Absence of a digital screen here as there is no other than the Watch that can really show except the sub-dial, which displays your step count.

Health feature

This is the first hybrid watch that is clinically approved and capable of Electrocardiogram reading and assists you in the detection of Afib. Furthermore, it can track ten plus sports activities, including distance covered, sleep tracking, and calories burned.

Battery Life

This Watch has exceptional battery life that supports up to 6 months.

Water-resistant at 5ATMThick frame
Undeniable styleDomed glass display
It doesn’t need charging but runs on a CR2430 button battery cell.No music control
Discreet fitness trackingNo access to notifications

Bottom line

Witlings Move is all about health and fitness understanding for a longer period of time, without worrying about frequent charging your Watch.

Withings Steel H.R.

Withings launches this latest version of the smartwatch in 2020, with ECG and advanced health features. This Watch enables you to access all the smartphone notifications from social media apps, either calls or messages on your wrist.



Withings ScanWatch is compatible with iPhone 4s, IPad 3, and iPod Touch 5th generation.

Display size

It is featured with a digital screen with two display sizes: 36mm and 40mm. Moreover, elegant colors available in Black, Blue, and white make it perfect for professional wrist wear.

Battery life

This wrist wearable supports 25days of battery life, and you can have additional 20 days in power reserve mode. It comes with a rechargeable battery.

Health app

The Watch monitors heart rate via optical heart sensors and informs you immediately about any heart rhythm irregularity.

One of the main features is sleep tracking which provides you with a deep insight into your night’s restful sleep. For active people, there are loads of apps to track their fitness progress. The GPS helps you to track the distance traveled and your average pace.

Built-in AlexaSpO2 missing
Water-resistant to 50m
30 sports mode
Swappable wristbands

Bottom Line

This is a well-thought-out and well-designed Great Watch that fits well a niche market with a traditional watch face and easy to use.

Amazfit verge

This Watch is a direct competitor to other smartwatches in the market, which are capable of detecting Afib and a perfect combo of style and technology. It is a self-brand of humans and the only available smartwatch in China that is also launched in the U.S. and Europe.



Seamlessly compatible with IOS devices and Android phones, you are able to receive calls and notifications from social media apps such as Facebook, Instagram, and Twitter.


It comes with 1.3 inches and an AMOLED display screen. With a wide range of colors, availability ideal for any occasion and anywhere, make your life easy and healthy living.

Health apps

You can get clear insights into your body with the cardiac biometric engine availability to accurately monitor your heart rate and understand your health at a deeper level.

Battery life

This Watch supports 5 days run time battery life on a single charge.

Ip68 waterproofwaterproofSmaller watch face size
Fashionably fit
Built-in Alexa
12 sports modes
12 different watch faces

Bottom line

Comparatively, a mediocre-priced Watch and high-quality tech make it a perfect choice for heart patients.

Final thoughts

In today’s smartwatch world, health features have become a major part. There are many companies in the market, providing digital biomarkers to greater access to insight into your body’s health and seeing progress.

The smartwatches in this article are chosen based on FDA approval and clinical testing of ECG app to find any abnormalities and later on detecting Atrial fibrillation as said by Nino Isakadze, M.D., a cardiologist at Johns Hopkins Hospital in Baltimore, “this a new era of opportunity to reach patients outside hospital walls.”