10 Best Best Smart Watches With Ecg of 2025

Tested and Reviewed: Top 10 Best Smart Watches With Ecg deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Fitbit

Fitbit Sense 2 Advanced Health and Fitness Smartwatch with Tools to Manage Stress and Sleep, ECG App, SpO2, 24/7 Heart Rate and GPS, Shadow Grey/Graphite, One Size (S & L Bands Included)

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Editor's bottom line:

“This best smart watches with ecg is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Learn to manage stress, sleep better and live healthier with Sense 2our most advanced health and fitness smartwatch.Human Interface Input: Touchscreen
Manage stress and live healthier: all-day stress detection with cEDA and daily Stress Management Score, ECG app for atrial fibrillation assessment(1), irregular heart rhythm notifications(2), SpO2(3), health metrics dashboard(4), mindfulness content
Measure and improve sleep quality: personalized Sleep Profile(5), daily sleep stages & Sleep Score, smart wake alarm and do not disturb mode
Enhance activity: built-in GPS and workout intensity map, Daily Readiness Score(5), Active Zone Minutes, all-day activity tracking and 24/7 heart rate, 40+ exercise modes and automatic exercise tracking, water resistant to 50 meters
Designed for all-day wear: on-wrist Bluetooth calls, texts and phone notifications(6), customizable clock faces, Fitbit Pay(7), Amazon Alexa built-in(8), Google Wallet & Maps (Google Maps on Android only, coming Spring 2023 to iOS), 6+ day battery(9)
Sense 2 is sleek and slim with raised band attachments that make it more comfortable for all-day wear. Both small and large sizes included in box. Small: Fits wrist 5.1 - 7 inches in circumference. Large: Fits wrist 6.5 - 8.6 inches in circumference
Includes a 6-month Premium membership complete with personalized insights, advanced analytics and more (New & returning Premium users only. Must activate trial within 60-days of device activation. Content and features may change)

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Picked by 397 people today

9.5

Apple

Apple Watch Series 11 [GPS 46mm] Smartwatch with Jet Black Aluminum Case with Black Sport Band - M/L. Sleep Score, Fitness Tracker, Health Monitoring, Always-On Display, Water Resistant

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Main Highlights

HYPERTENSION NOTIFICATIONS Apple Watch Series 11 can spot signs of chronic high blood pressure and notify you of possible hypertension.*
KNOW YOUR SLEEP SCORE Sleep score provides an easy way to help track and understand the quality of your sleep, so you can make it more restorative.
EVEN MORE HEALTH INSIGHTS Take an ECG anytime.* Get notifications for a high and low heart rate, an irregular rhythm,* and possible sleep apnea.* View overnight health metrics with the Vitals app* and take readings of your blood oxygen.*
STUNNING DESIGN Thin and lightweight, Series 11 is comfortable to wear around the clock while exercising and even when youre sleeping, so it can help track your key metrics.
A POWERFUL FITNESS PARTNER With advanced metrics for all your workouts, plus features like Pacer, Heart Rate Zones, training load, Workout Buddy powered by Apple Intelligence from your nearby iPhone,* and more. Series 11 also comes with three months of Apple Fitness+ free.*
BIG BOOST IN BATTERY LIFE With up to 24 hours of normal use.* And fast charge for up to 8 hours of normal use in just 15 minutes.*
BUILT TO LAST With a superdurable glass display thats 2x more scratch resistant than Series 10.* Series 11 also has a water resistance rating of 50m and is IP6X dust resistant.*
SAFETY FEATURES Series 11 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts.* Check In can automatically notify a loved one when youve arrived at your destination.
STAY CONNECTED Send a text, take a call, listen to music, use Siri, and get notifications. Series 11 (GPS) works with your iPhone or Wi-Fi to keep you connected.
* LEGAL DISCLAIMERS This is a summary of the main product features. See below to learn more.

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9.5

DIVOAZBVO

DIVOAZBVO Smart Watch for Men, 120+ Sports Modes Smartwatch with 1.83" HD Touchsreen, Sleep Monitor, IP67 Waterproof, Bluetooth Call & Music Control Fitness Watch for iPhone/Android Black

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Main Highlights

1.83" HD Display & Customizable Watch FacesImmerse yourself in a vibrant 1.83-inch IPS display, boasting a sharp resolution of 240*284 for crystal-clear visuals. Effortlessly personalize your smart watch with a wide array of customizable watch faces to suit your personal style for every occasionwhether trendy, artistic, or minimalistideal for casual, sporty, or professional. Its sleek, modern design complements any outfit, blending technology and fashion seamlessly for everyday wear
120 Sports Modes & Advanced Health TrackingOur TK29 smart watches for women men come equipped with 120 sports modes, allowing you to effortlessly track a variety of activities such as walking, running, cycling, and swimming. With integrated heart rate and sleep monitors, you can maintain a comprehensive overview of your health, achieve your fitness goals, and maintain a balanced, active lifestyle with ease. Your ideal wellness companion (Note: Step recording starts after exceeding 20 steps)
IP67 Waterproof & Long-Lasting BatteryDesigned to keep up with your active lifestyle, this smartwatch features an IP67 waterproof rating, ensuring it can withstand splashes, sweat, and even brief submersion, making it perfect for workouts, outdoor adventures, or rainy days. Its reliable 350mAh battery offering 5-7 days of active use and up to 30 days in standby mode, significantly reducing frequent charging. Ideal for all-day wear, whether youre at the gym, outdoors, or simply on the go
Stay Connected Anytime, AnywhereStay informed and in control with Bluetooth call and music control features. Receive real-time notifications for calls, messages, and social media apps like Facebook, WhatsApp, Twitter, and Instagram directly on your smartwatch. Easily manage calls, control your music playlist, and stay updated without needing to reach for your phone. Perfect for work, workouts, or on-the-go, this watch keeps you connected and never miss important updates wherever you are
Multifunction & Wide CompatibilitySeamlessly handle heart rate monitoring, sleep tracking, and enjoy conveniences like camera/music control, Seamlessly handle heart rate monitoring, sleep tracking, and more-all directly from your wrist. This 1.83 inches HD smartwatch is compatible with iPhone (iOS 9.0+) & Android (5.0+), ensuring smooth daily connectivity and convenience throughout your day. More than just a timepiece, its a stylish, all-in-one wearable for smarter, healthier living
Eco-Friendly & Sustainable DesignDIVOAZBVO TK29 Smartwatch is designed with sustainability in mind, using eco-conscious materials and energy-efficient technology to minimize environmental impact. Its durable build and long-lasting battery reduce waste, while the energy-saving features ensure lower power consumption. By choosing DIVOAZBVO, youre not only embracing cutting-edge technology but also actively supporting eco-friendly practices for a greener, healthier, and more sustainable future

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9.2

Apple

Apple Watch Series 11 [GPS 42mm] Smartwatch with Rose Gold Aluminum Case with Light Blush Sport Band - S/M. Sleep Score, Fitness Tracker, Health Monitoring, Always-On Display, Water Resistant

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Main Highlights

HYPERTENSION NOTIFICATIONS Apple Watch Series 11 can spot signs of chronic high blood pressure and notify you of possible hypertension.*
KNOW YOUR SLEEP SCORE Sleep score provides an easy way to help track and understand the quality of your sleep, so you can make it more restorative.
EVEN MORE HEALTH INSIGHTS Take an ECG anytime.* Get notifications for a high and low heart rate, an irregular rhythm,* and possible sleep apnea.* View overnight health metrics with the Vitals app* and take readings of your blood oxygen.*
STUNNING DESIGN Thin and lightweight, Series 11 is comfortable to wear around the clock while exercising and even when youre sleeping, so it can help track your key metrics.
A POWERFUL FITNESS PARTNER With advanced metrics for all your workouts, plus features like Pacer, Heart Rate Zones, training load, Workout Buddy powered by Apple Intelligence from your nearby iPhone,* and more. Series 11 also comes with three months of Apple Fitness+ free.*
BIG BOOST IN BATTERY LIFE With up to 24 hours of normal use.* And fast charge for up to 8 hours of normal use in just 15 minutes.*
BUILT TO LAST With a superdurable glass display thats 2x more scratch resistant than Series 10.* Series 11 also has a water resistance rating of 50m and is IP6X dust resistant.*
SAFETY FEATURES Series 11 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts.* Check In can automatically notify a loved one when youve arrived at your destination.
STAY CONNECTED Send a text, take a call, listen to music, use Siri, and get notifications. Series 11 (GPS) works with your iPhone or Wi-Fi to keep you connected.
* LEGAL DISCLAIMERS This is a summary of the main product features. See below to learn more.

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9.0

Withings

WITHINGS ScanWatch 2 - Women's Men's Health Smartwatch, ECG, SpO2, Temperature, Sleep Tracking, Respiratory Health, Waterproof, 30-Day Battery, 30-Day Battery, Android & iOS

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Main Highlights

TIMELESS DESIGN Hybrid smartwatch with analog hands and digital health tracking. Stainless steel case with sapphire glass for durability. Available in multiple sizes and finishes.
35 DAYS BATTERY LIFE Built for the long run with up to 35 days of continuous use on a single charge. Provides uninterrupted daily and nightly health tracking with extended power.
HEALTH MONITORING 30s medical-grade ECG and continuous heart rate tracking with AFib detection via the Withings ECG App. Includes high and low heart rate notifications.
SLEEP, WORKOUT & RECOVERY INSIGHTS rack sleep stages, breathing, and over 40 sports with VO max and heart rate zones. Get a Vitality Score and 1 month of Withings+ for personalized insights.
COMPATIBILITY & PROPRIETARY OS Seamlessly connects to Android and iOS via the Withings App. Powered by our HealthSense OS with on-device machine learning for precise health metrics.

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8.8

Yowow BIT

Smart Watch for Men Women, 2.04" AMOLED Color Screen, 24/7 Heart Rate, Blood Oxygen, Blood Pressure, Sleep and Stress Health Monitor, Blood and Body Composition Insights, 150 Sports Modes (Black)

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Main Highlights

2.04-Inch AMOLED Display & Customizable Watch Faces The Yowow BIT smart watch features a 2.04-inch AMOLED Retina screen with a 368x448 resolution, offering crisp, natural visuals and smooth touch operation. Powered by the 7013A chipset, it includes a contact temperature sensor, infrared + red light true blood oxygen monitoring, and a KXTJ3-1057 gravity sensor for comprehensive health tracking. The alloy frame is polished through 39 processes and features a sleek brushed finish, combining a minimalist design with comfort. The H Band app offers over 150 watch faces and customization options, making your watch unique and stylish for any occasion.
Bluetooth Calling & Message Notifications With Bluetooth connectivity, you can easily make and receive calls directly from your smartwatch, manage contacts, and view call history. The 2.04-inch display allows you to read messages in full without scrolling. Built-in mic and speaker support clear calls, while the watch provides vibration alerts for calls, texts, emails, and app notifications (Facebook, Twitter, WhatsApp, and more). You can see caller names or numbers, adjust volume, and set silent mode for a seamless communication experience.
24/7 Real-Time Health MonitoringThis smart watch for both men and women continuously tracks heart rate, HRV, stress levels, blood pressure, and blood oxygen, allowing you to check health data directly on your wrist and monitor records via the app. It also acts as a sleep tracker, analyzing sleep quality including deep sleep, light sleep, and wake times, helping you understand your sleep patterns better.
150 Sports Modes & All-Day Activity TrackingEquipped with advanced sensors, this fitness tracker monitors your daily activity, including steps, distance, and calorie burn. Access 150 workout options through the H Band app to track exercise duration and calories burned, helping you maintain a healthy balance between activity and rest. During outdoor workouts, connect to your phone's GPS to view exercise routes and pace on the app.
IP68 Water Resistance & Multiple FeaturesIP68 waterproof, wear the smart watch confidently in daily activities. This activity tracker has various smart functions, including screen-off pointer or digital display, menstrual cycle reminder, breathing training, drinking water reminder, sedentary reminder, weather forecast, music control, stopwatch, timer, alarm clock, calculator, flashlight, mini-games, find phone, camera control, do not disturb mode, SOS emergency call function.
Wide Compatibility & Long Battery LifeCompatible with iOS 8.2 or higher and Android 4.4 or higher, this smartwatch features a comfortable, durable, and washable strap with a safety buckle. The advanced low-power chip provides excellent battery performance. Charge with a magnetic USB cable in just 2 hours for 4-7 days of normal use or up to 15 days of standby. With a slim 11mm design, its the perfect accessory for any outfit and makes a great gift for family and friends.

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8.6

Apple

Apple Watch Series 11 [GPS 46mm] Smartwatch with Space Gray Aluminum Case with Black Sport Band - M/L. Sleep Score, Fitness Tracker, Health Monitoring, Always-On Display, Water Resistant

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Main Highlights

HYPERTENSION NOTIFICATIONS Apple Watch Series 11 can spot signs of chronic high blood pressure and notify you of possible hypertension.*
KNOW YOUR SLEEP SCORE Sleep score provides an easy way to help track and understand the quality of your sleep, so you can make it more restorative.
EVEN MORE HEALTH INSIGHTS Take an ECG anytime.* Get notifications for a high and low heart rate, an irregular rhythm,* and possible sleep apnea.* View overnight health metrics with the Vitals app* and take readings of your blood oxygen.*
STUNNING DESIGN Thin and lightweight, Series 11 is comfortable to wear around the clock while exercising and even when youre sleeping, so it can help track your key metrics.
A POWERFUL FITNESS PARTNER With advanced metrics for all your workouts, plus features like Pacer, Heart Rate Zones, training load, Workout Buddy powered by Apple Intelligence from your nearby iPhone,* and more. Series 11 also comes with three months of Apple Fitness+ free.*
BIG BOOST IN BATTERY LIFE With up to 24 hours of normal use.* And fast charge for up to 8 hours of normal use in just 15 minutes.*
BUILT TO LAST With a superdurable glass display thats 2x more scratch resistant than Series 10.* Series 11 also has a water resistance rating of 50m and is IP6X dust resistant.*
SAFETY FEATURES Series 11 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts.* Check In can automatically notify a loved one when youve arrived at your destination.
STAY CONNECTED Send a text, take a call, listen to music, use Siri, and get notifications. Series 11 (GPS) works with your iPhone or Wi-Fi to keep you connected.
* LEGAL DISCLAIMERS This is a summary of the main product features. See below to learn more.

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8.3

Apple

Apple Watch Series 10 [GPS + Cellular 46mm case] Smartwatch with Slate Titanium Case with Slate Milanese Loop - M/L. Fitness Tracker, ECG App, Always-On Retina Display, Carbon Neutral

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Main Highlights

WHY APPLE WATCH SERIES 10 Bigger display with up to 30 percent more screen area.* A thinner, lighter, and more comfortable design.* Advanced health and fitness features provide invaluable insights.* Safety features connect you to help when you need it.* Faster charging gives you 80 percent battery in about 30 minutes.*
ADVANCED HEALTH INSIGHTS Take an ECG anytime.* Use the Blood Oxygen app.* Get notifications if you have high or low heart rate or an irregular heart rhythm.* Understand your menstrual cycle and get retrospective ovulation estimates.* See overnight health metrics like heart rate, respiratory rate, and more with the Vitals app.* Track sleep and get notifications if Apple Watch detects signs of sleep apnea.*
A POWERFUL FITNESS PARTNER Measure all the ways you move with Activity Rings, which are customizable to match your lifestyle. Get advanced metrics for a range of workouts with the Workout app. Track the intensity of your workouts with training load. Use depth and water temperature sensors for your aquatic adventures. And Apple Watch comes with three months of Apple Fitness+ free.*
CELLULAR CONNECTIVITY With a cellular service plan you can send a text, make a call, and stream music without your iPhone nearby.* Use Apple Watch For Your Kids to set up Apple Watch for those who dont yet have their own iPhone, so everyone can stay connected, active, healthy, and safe.*
INNOVATIVE SAFETY FEATURES Fall Detection and Crash Detection can connect you with emergency services in the event of a hard fall or a severe car crash. Emergency SOS lets you call for help with the press of a button.* Check In automatically notifies a loved one when youve arrived at your destination.*
INCREDIBLE DURABILITY Crack resistant and IP6X-certified dust resistant. With 50m water resistance.*
CARBON NEUTRAL Apple Watch Series 10 is carbon neutral when paired with select bands. Learn more about Apples commitment to the environment at apple.com/2030.
SIMPLY COMPATIBLE It works seamlessly with your Apple devices and services.* Unlock your Mac automatically. Get approximate distance and directions to your iPhone with Precision Finding on supported iPhone models.* Pay and send money with Apple Pay.
EASILY CUSTOMIZABLE With watch bands in a range of styles, materials, and colors and fully customizable watch faces, you can change your watch to fit your mood or the moment.
* LEGAL DISCLAIMERS This is a summary of the main product features. See below to learn more. Blood Oxygen: Blood Oxygen app is for wellness purposes only and not for medical use. Measurements are calculated and viewed on iPhone in the Health app. Requires the latest watchOS and iOS software.

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8.1

Samsung

Samsung Electronics Galaxy Watch 4 Classic 46mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection Bluetooth US Version, Black (Renewed)

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Main Highlights

Body Composition Analysis Get ready to crush your wellness goals with body readings right on your wrist. AdvancedSleep / Continuous SpO2 Manage your overall sleep quality for a great night's sleep with an advanced tracker that calculates your sleep score.
ECG Be smart about your heart with ECG Monitoring that gives accurate readings. Fitness / Auto Workout Tracking Make the most of every workout with Auto Workout Tracking. Stay motivated by connecting to live coaching sessions via your smartphone or to dynamic Group Challenges with your friends.
WiFi, Bluetooth 5.0, and NFC Technology
NOTE: This Smartwatch is only compatible wth Android Samrtphones. (Not compatible with Apple iPhones).

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8.1

Samsung

Samsung Electronics Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection Bluetooth US Version - (Black) (Renewed)

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Main Highlights

Get Ready To Crush Your Wellness Goals With Body Readings Right On Your Wrist
Better Sleep Starts Here: Wake Up Feeling Refreshed And Recharged With Advanced Sleep Tracking; When You Go To Bed, Your Galaxy Watch4 Sleep Tracker Starts Monitoring Your Sleep And Spo2 Levels Continuously
Be Smart About Your Heart: Take Care Of Your Heart With Accurate Ecg Monitoring And Keep An Eye On Possible Atrial Fibrillation, A Common Form Of Irregular Heart Rhythm; Share Personalized Readings With Your Doctor Using The Samsung Health Monitor App On Your Compatible Galaxy Phone
Make Every Workout Count: Get The Most Out Of Every Exercise Session With Advanced Workout Tracking That Recognizes 6 Popular Activities, From Running To Rowing To Swimming, Automatically In Just 3 Minutes; Stay Motivated By Connecting To Live Coaching Sessions Via Your Smartphone Or To Dynamic Group Challenges With Your Friends
- This pre-owned product has been professionally inspected, tested and cleaned by Amazon-qualified suppliers.

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Our Best Overall Choice

Best Choice

9.7

Fitbit

Fitbit Sense 2 Advanced Health and Fitness Smartwatch with Tools to Manage Stress and Sleep, ECG App, SpO2, 24/7 Heart Rate and GPS, Shadow Grey/Graphite, One Size (S & L Bands Included)

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Learn to manage stress, sleep better and live healthier with Sense 2our most advanced health and fitness smartwatch.Human Interface Input: Touchscreen
Manage stress and live healthier: all-day stress detection with cEDA and daily Stress Management Score, ECG app for atrial fibrillation assessment(1), irregular heart rhythm notifications(2), SpO2(3), health metrics dashboard(4), mindfulness content
Measure and improve sleep quality: personalized Sleep Profile(5), daily sleep stages & Sleep Score, smart wake alarm and do not disturb mode
Enhance activity: built-in GPS and workout intensity map, Daily Readiness Score(5), Active Zone Minutes, all-day activity tracking and 24/7 heart rate, 40+ exercise modes and automatic exercise tracking, water resistant to 50 meters
Designed for all-day wear: on-wrist Bluetooth calls, texts and phone notifications(6), customizable clock faces, Fitbit Pay(7), Amazon Alexa built-in(8), Google Wallet & Maps (Google Maps on Android only, coming Spring 2023 to iOS), 6+ day battery(9)
Sense 2 is sleek and slim with raised band attachments that make it more comfortable for all-day wear. Both small and large sizes included in box. Small: Fits wrist 5.1 - 7 inches in circumference. Large: Fits wrist 6.5 - 8.6 inches in circumference
Includes a 6-month Premium membership complete with personalized insights, advanced analytics and more (New & returning Premium users only. Must activate trial within 60-days of device activation. Content and features may change)

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