10 Best ECG Smartwatches in 2022: FDA Approved

Smartwatch is no longer a luxury, stylish, quirky on-wrist device. The wearables managed to become a reliable meaning of health & fitness.

And you must be familiar with ECG while looking into the options. ECG/EKG (electrocardiogram) lets you know the heart rates with a fingertip. also, let you know smartwatches measure blood pressure

You can find lots of EKG smartwatches in the current market. But the Food and Drug Administration (FDA) recognizes only a few of those.

Invest your time in the best ECG smartwatches in 2022 with FDA approval. It should enlighten your thoughts on proper health assessment.

Why You Need ECG Smartwatches?

Youngsters often don’t want to emphasize health assessment through smartwatches. The majority of the ones actually concern the workout counts. However, it involves training-time heart rate measurements.

People over fifty-year-old find the ECG function helpful on many occasions. It’s particularly true for users with previous heart records. Anyone adventurous finds it useful while exploring rough or high terrains.

Also, you can easily detect irregularities in your heartbeat. You don’t have to worry about the heart with the readings yet. But it can develop an approximate idea of your daily life activity’s impact on the heart.

Almost everyone should use the best ECG Smartwatches, from the young to the old. But the features are yet to become suitable for teenagers. Otherwise, health-oriented wearables are pretty much for everybody.

10 Best ECG Smartwatches Review

We listed only the most popular, reliable, stylish ones to meet your needs. Either one is sure to cover your health & fitness from the inside. Okay, let’s get started with the top 10 ECG smartwatches in 2022.

Apple Watch Series 7

Top Pick

best ECG smartwatches


  • Brand: Apple
  • Supported Application: Messages, GPS, Fitness Tracker, Pedometer, Time Display, Weather, Find My Phone, Reminders, Sleep Monitor, Voice Assistant, Phone, Alarm, Elevation Tracker, Multisport Tracker, Heart Rate Monitor, Music Player
  • Wireless Communication Standard: Bluetooth, 802.11bgn, 5 GHz Radio Frequency, 2.4 GHz Radio Frequency
  • Operating System: WatchOS
  • Connectivity Technology: Gps
  • Water Resistance Level: Water-Resistant
  • Human Interface Input: Touchscreen, Microphone, Buttons
  • Screen Size: 41 Millimeters

The latest wearable in Apple’s lineup covers almost everything. Its built-in ECG sensor works with another patching app. And you’re ready to have a full reading within 30 seconds only.

The app also assesses your heart rate immediately for any irregularities. It can detect a possible increase or decrease in your heartbeat. Also, the app looks for the potential presence of atrial defibrillation.

Of course, there are additional health features to help your daily activities. Heart rate monitoring & blood oxygen level (SpO2) tracking is consistent. There are sensors to track sleep & calories.

Fall detection will instantly send an SOS to your family members. It tracks hard fall with at least 1-minute of no response. Again, an integrated menstrual cycle comes in handy for female users.


  • Precise SpO2 reading on command.
  • Extremely reliable ECG assessment.
  • Shareable reports from the built-in app.
  • Fall detection with the user location.
  • Irregular/distorted heart rate alerts.
  • Stress, mental health, sleep tracking.


  • ECG isn’t for clinical diagnosis.
  • Somewhat low battery support.

Fitbit Sense Advanced Smartwatch

Runner Up

best ECG smartwatches


  • Brand: Fitbit
  • Colour: White
  • Supported Application: GPS, Phone, Heart Rate Monitor
  • Wireless Type: Bluetooth
  • Connector Type: Bluetooth, GPS

Almost every smart user knows about the health-oriented Fitbit wearables. And its new advanced watch happens to combine basic features. It’s more like a consistent eye on your heartbeats.

The premium design includes a precise ECG-reading measurement. The built-in Sense app keeps tracking your heart for any irregularities. Its program sends alerts on detecting lower or higher beats.

Also, an on-wrist EDA Scan detects electrodermal activity for stress tracking. However, the reading actually shows your physical/mental response to stress. And you can initiate better management.

An integrated sensor tracks your skin temp to establish a baseline every night. Meantime, use the built-in GPS to make the most of your workouts. It lets you record the distance, run, ride, pace.


  • Evaluation of muscle moves.
  • High or low rate notifications.
  • Reasonable tracking of temp.
  • Lessening of everyday stress.
  • Sleep score for improvement.
  • No phone while on a workout.


  • Premium subscription.
  • No constant monitoring.

Samsung Electronics Galaxy Watch 4 Classic

Top Pick: 3

best ECG smartwatches Samsung Electronics Galaxy Watch 4 Classic


  • Brand: Samsung Electronics
  • Supported Application: Heart Rate Monitor
  • Color: Black
  • Wireless Communication Standard: Bluetooth
  • Operating System: Android 6.0
  • Band Color: Black
  • Water Resistance Level: Water-Resistant
  • Compatible Devices: Compatible with Android 6.0 or higher, RAM 1.5GB above
  • GPS: True

The biggest rival of Apple also lets you take an ECG to read the heart. Its Watch 4 Classic in the 2021 lineup integrates useful health features. And the result seems no less than Apple’s.

You’re to wait mere 30 seconds to know your ECG on the screen. It’s Health App assesses the readings to detect any irregularities. Especially, it looks for the presence of atrial defibrillation in your heart.

There are several other associated features to enable a happy lifestyle. It measures blood oxygen level with SpO2 with blood pressure monitoring. Additional features like VO2 Max are also present.

Likewise, its fall detection will notify your family members. Integration of the BioActive sensor is like no other. The sensor measures your body composition if you’re losing or gaining weight.


  • Superb sleep/stress monitoring.
  • Precise health tracking system.
  • Integration of 90 sports modes.
  • Instant ‘Fall Alert’ on detection.
  • Automatic detection of activity.
  • Blood pressure/oxygen tracking.


  • Readings are for references.
  • Limited compatibility issues.

Samsung Electronics Galaxy Watch 4

Top Pick: 4

best ECG smartwatches Samsung Electronics Galaxy Watch 4


  • Brand: Samsung Electronics
  • Wireless Communication Standard: Bluetooth
  • Supported Application: Heart Rate Monitor
  • Connectivity Technology: Bluetooth
  • Color: Silver
  • Operating System: Android 6.0
  • Band Color: White
  • Water Resistance Depth: 50 meters
  • Water Resistance Level: Water-Resistant

Meanwhile, Samsung also introduced its highly anticipated Watch 4. It’s another wearable to assist you in crushing fitness goals. And convenient health parameters will keep an eye on your heart.

Featured ECG monitoring takes about 30 seconds to display. Pressing your required fingertips on the screen should measure the HR. Likewise, you should expect maximum accuracy in the result.

Samsung’s Health App analyzes the data for further wellness management. Its integrated SpO2 takes precise metrics on the blood oxygen level. However, the readings are strictly for reference uses.

The smartwatch is more like an extension of your current smartphone. You can set, implement & reach fitness goals with auto-tracking. And advanced monitoring enables better nighttime sleep.


  • Accurate ECG on demands.
  • Total wellness management.
  • Advanced sleep monitoring.
  • Steady built-in SpO2 sensor.
  • Multiple inner sports modes.


  • Samsung phone requirements.
  • Only Health App syncing action.

Fitbit Sense Advanced Smartwatch

Top Pick: 5

best ECG smartwatches Fitbit Sense Advanced Smartwatch


  • Brand: Fitbit
  • Supported Application: Sleep Monitor, Reminders, Weather, Voice Assistant, Alexa, GPS, Phone, Heart Rate Monitor
  • Color: Carbon/Graphite
  • Wireless Communication Standard: Bluetooth
  • Band Color: Black
  • Connectivity Technology: GPS
  • Band Width: 1
  • Human Interface Input: Microphone

Allow innovative techs to guide you towards better health. Fitbit Sense redefines your overall routine with daily readiness. And you’ll get a highly enthusiastic health-oriented device on your wrist.

Get important notifications on heart health from its ECG app. Direct measurement can detect high or low heartbeats right away. Additional data assessment even tracks down possible atrial defibrillation.

Again, an EDA scan app checks the electrodermal activities related to stress. You’ll know about your bodily response to everyday stress. And the readings can lead to you implying proper management.

Integrated GPS tracks down your outdoor activities to develop a map. Hiking, running, biking, cycling – it records your every move. Additionally, you better start monitoring your sleep to achieve a score.


  • Built-in stress finding EDA.
  • Instant heart notifications.
  • Analytical sleep tracking.
  • Further data assessments.
  • Skin temp measurements.
  • Constant HRV monitoring.


  • Limited country functions.
  • Slight difficulty in its setup.

Fitbit Charge 5 Advanced Tracker

Top Pick: 6

best ECG smartwatches Fitbit Charge 5 Advanced Tracker


  • Brand: Fitbit
  • Supported Application: Sleep Monitor, Phone, Photo Gallery, GPS, Heart Rate Monitor
  • Human Interface Input: Touchscreen
  • Color: Graphite/Black
  • Wireless Carrier: Du
  • Battery Cell Composition: Lithium-Ion
  • Battery Life: 7 days

Another top-notch wearable makes a list with FDA approval. In fact, it’s the first smartwatch to get approval anyway. Likewise, the tracking feature is almost the same as Fitbit Sense.
The feature can immediately detect irregularities or atrial defibrillator from the rates. You’ll just have to open the app to press your fingers. And the primary results will appear on screen in 30 seconds only.

However, ECG is not the only feature to track your health or fitness. Associated features will record your daily activities precisely. Of course, you can initiate better lifestyle management with the readings.

EDA, SpO2, menstrual cycle, HR monitoring – everything is available. Fitbit App also tracks your sleep to evaluate a ‘Sleep Score’. The integrated fitness tracker covers 20 indoor & outdoor sports.


  • Alerts on heart irregularities.
  • Instant yet precise monitoring.
  • Special sleep tracking facility.
  • Constant heart rate monitoring.
  • Blood oxygen level readings.
  • EDA sensor for stress response.


  • Limited sports mode.
  • Premium membership.

Withings Hybrid Smartwatch

Top Pick: 7

Withings Hybrid Smartwatch


  • Brand: Withings
  • Color: Black
  • Material: Plastic
  • Compatible Devices: smartphones | android phones
  • Item Weight: 83 Grams
  • Item Dimensions: 10.63 x 1.65 x 0.54 inches
  • Battery Life: 30 days

Don’t let the stylish, manly, attractive exterior get you right away. Many great things are waiting within its integrated functionality. It’s one smartwatch to cover your essential heart readings.

Built-in sensor lets you know the heart rate conditions in under 30 seconds. Whether it’s any irregularity or atrial defibrillation – you’ll get alerts instantly. It’s also helpful in detecting HR rhythms in workouts.

Again, the wrist-based Oximetry covers the SpO2 function. It records to reveal the oxygen saturation level in your blood. And the whole process is clinically validated to look for preventive measurements.

You’ll have a sleep score from your sleeping cycles & duration. Built-in GPS helps with a fitness activity. And the built-in ScanWatch syncs with Health Mate to provide valuable medical data.


  • Disturbance tracking for breaths.
  • Instant electrocardiogram reading.
  • Clinically validated SpO2 reading.
  • Shareable medical info on demand.
  • Fully automated sleep monitoring.
  • Continuous heart rate observation.


  • Not many exercise modes.
  • Occasionally improper SpO2.

Samsung Galaxy Watch Active 2

Top Pick: 8

Samsung Galaxy Watch Active 2


  • Brand: Samsung Electronics
  • Supported Application: Sleep tracking
  • Wireless Communication Standard: Bluetooth
  • Connectivity Technology: Bluetooth
  • Color: Black
  • Operating System: Tizen 4.0
  • Compatible Devices: Android, Samsung Devices
  • Human Interface Input: Touchscreen
  • Special Feature: Wireless

Samsung continued to improve its wearable lineup these years. And its nice yet sleek Active 2 Watch is sure to leave an impression. Its high-quality ECG monitoring remains one of the most reliable.

Multiple built-in sensors are ready to track your health and fitness. And it should let you achieve the intended goals for a happy life. Likewise, it can detect to display your heartbeat anywhere, anytime.

Of course, you’ll get the reading in under 30 seconds using your fingers. Health App assesses the data to find any kind of irregularities or Afib. The app will send an instant alert to let you know the issues.

Additional sensors keep up your activities right on the wrist. It even tracks your regular activities with maximum precision. Therefore, understand your health closely with the integrated Health App.


  • Instant irregularity detection.
  • Insightful sleep monitoring.
  • Manual tracking of exercises.
  • Stress managing Calm App.
  • Automated activity recording.
  • Precise assessment of data.


  • Compulsory Galaxy phone use.
  • Only Health App assessment.

Withings Hybrid ScanWatch

Top Pick: 9

Withings Hybrid ScanWatch


  • Brand: Withings
  • Color: Black
  • Material: Plastic
  • Compatible Devices: Smartphones | android phones
  • Item Weight: 58 Grams
  • Item Dimensions: 9.45 x 1.51 x 0.52 inches
  • Battery Life: 30 days

Time to watch over your health with advanced smartwatch functionality. ScanWatch from Withings is one of the most advanced, if not the best. And the built-in features are clinically validated.

It boasts a medical-grade ECG to calculate your HR with optimum precision. The proactive tracking lets you know ECG on demand. Of course, it can detect irregular rhythms and/or atrial defibrillation.

Meantime, the SpO2 sensor features an exclusive multi-wavelength tech. It takes only 30 seconds to get the blood oxygen level. And the Respiratory Scan tracks your sleep-time breathing disturbances.

Sleep monitoring analysis reveals multiple data with a sleep score. You can even have the analysis for day & night separately. And the activity tracking with GPS lets you reach health/fitness goals.


  • Precise algorithm for detection.
  • Instant notifications on AFib.
  • Shareable Health Mate report.
  • Helpful sleep score evaluation.
  • Work mode with step tracker.
  • Automated tracking of activity.


  • Inconsistency in SpO2 reading.
  • Poorly depicted instructions.

Garmin Vivoactive 4 GPS Smartwatch

Top Pick: 10

Garmin Vivoactive 4 GPS Smartwatch


  • Brand: Garmin
  • Color: Black
  • Material: Stainless Steel
  • Compatible Devices: Smartphones | android phones
  • Item Dimensions: 1.78 x 1.78 x 0.5 inches
  • Screen Size: 1.3 Inches
  • Item Weight: 36 Grams
  • Battery Life: 8 days

The stylish GPS smartwatch is ready to tune your body for an active lifestyle. It tracks your daily life to help you reach your health goals. The easily navigable display reveals your intended metrics right away.

Its on-wrist sensor keeps taking samples to calculate your heart rate. You’ll receive an alert whenever your HR becomes too high/low. The sensor even gauges your heart during extreme workouts.

Also, the built-in Pulse Ox sensor tracks your blood oxygen level. Don’t miss to set reminders on stressful days for breathwork. Take a mindful breath to focus on your activities, yoga, and even sleep.

Advanced monitoring tracks your nap in three different stages. Set the daily fluid intake reminder to stay hydrated all along. Also, Garmin Connect records menstrual cycle/pregnancy for female users.


  • Secure location tracking system.
  • Health assistance from Garmin.
  • Breakdown of everyday sleeping.
  • Accurate tracking of respiration.
  • Energy monitoring body battery.
  • Additional features on workouts.


  • Long GPS connecting time.
  • Poor hiking/skiing tracker.

Buying Guide – Best ECG Smartwatches

There are many things to remember while choosing a smartwatch. You must account for some compulsory factors with the best ECG smartwatches. Keep the following in mind to monitor your heart.

Accurate Reading

The revealed ECG must remain free of flaws or inaccuracy. Otherwise, it may deliver abrupt reading not associated with your HR. You obviously don’t want to worry about the heart over false readings.

Data Consistency

Also, the wearable should give you heart rate readings anytime, anywhere. Watches that lack the feature are of no use. Continuous reading is yet to become available, but you can’t ignore the current tech.

SpO2 Measurement

It’s another most important feature associated with heartbeat measurements. Blood oxygen level with HR can indicate physical metrics. Likewise, you must ensure SpO2’s accuracy for the best result.

Health Assessment

Built-in app syncs with the introductory readings in popular smartwatches. It enables the app to assess the data for further evaluation. Your on-wrist companion can even detect irregularities/AFib on demand.

Instant Notification

Whenever your heart rate reveals an abnormality, the watch should send alerts. That may even save your suffering in the near future. But remember – wearables can’t detect heart attack or blocks in advance.

Shareable Report

ECG from smartwatches isn’t exactly for any diagnosis or treatment. But having a report submittable to medics is surely an impressive touch. Not many wearables have this helpful feature right now.

Best ECG Smartwatches, How it Works (Apple, Samsung A fib Watches / EKG)

Frequently Asked Questions (FAQs)

Question: Can the watch measure HR at any condition?
Answer: Inconclusive results can occur on different occasions. It mostly happens to someone with internal surgery/bypass.
Question: Why does FDA approval matter?
Answer: Only a limited number of brands performed clinical trials. FDA approves only the ones to satisfy minimum requirements.
Question: Why shouldn’t I use the ECG for treatment?
Answer: Readings from your fingertip can’t provide the exact rhythm. The reading is close, but you better take it for references.
Question: How accurate is the wearables’ EKG?
Answer: No ECG can provide the original heartbeat from the fingertip. You can expect a maximum of 98% of accuracy there.
Question: Can I receive false negatives or false positives?
Answer: Reading an ECG isn’t exactly simple for commoners. You may receive false or misunderstand the ECG occasionally.

Wrapping Up

A smartwatch is sure to take your experiences with daily activities to a new level. And an ECG wearable means an extra eye on your heart’s health all along.

FDA approval means a lot for fitness/health enthusiasts looking for a wearable. Each of the best ECG smartwatches is good from different perspectives.

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