Best ECG Monitor Smartwatches of 2025

Kenneth Collin Avatar
Kenneth Collin
Last Updated: 11 Feb 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

ECG Monitor Smartwatches are the latest innovation in wearable technology. These watches are designed to track your heart rate, monitor your exercise routines and provide you with valuable insights into your overall health. They come equipped with advanced sensors that can measure your heart rate, blood pressure and oxygen levels in real-time. These smartwatches can also alert you if there are any abnormal changes in your heart rate or if you are experiencing any irregularities. With their sleek and stylish design, ECG Monitor Smartwatches are the perfect accessory for anyone who wants to keep track of their health and fitness.

At a Glance: Our Top Picks

HUAWEI WATCH D2 with Blood Pressure Monitoring Cover #TOP 1
HUAWEI WATCH D2 with Blood Pressure Monitoring
ftb score rating icon 9.8
HUAWEI WATCH GT 5 Pro Smartwatch for Health and Sports Cover #TOP 2
HUAWEI WATCH GT 5 Pro Smartwatch for Health and Sports
ftb score rating icon 9.7
Withings ScanWatch - Hybrid Smart Watch with ECG Cover #TOP 3
Withings ScanWatch - Hybrid Smart Watch with ECG
ftb score rating icon 9.5

Top 7 ECG Monitor Smartwatches

#TOP 1

HUAWEI WATCH D2 with Blood Pressure Monitoring

55020DAC
Black
One Size
HUAWEI WATCH D2 with Blood Pressure Monitoring Cover
HUAWEI WATCH D2, Smartwatch for men women Ambulatory Blood Pressure Monitoring, ECG, Sleep Breathing Awareness, Medically Certified, SpO2, iOS& Android, up to 6 Days Battery Life, Bluetooth Calling

The HUAWEI WATCH D2 offers advanced health monitoring features to enhance your well-being. With wrist-based ambulatory blood pressure monitoring, you can easily track your blood pressure throughout the day and night, providing valuable insights into your health. The innovative strap-airbag design ensures a comfortable fit while also being sweat-wicking. Its beat-by-beat ECG analysis allows you to monitor your heart health by simply touching the electrode, giving you real-time data. Additionally, you can create a health community to share your metrics with family and friends, fostering a supportive environment for your fitness journey.

What We Like
Accurate blood pressure monitoring
Comfortable strap design
Real-time ECG analysis
Health community support
#TOP 2

HUAWEI WATCH GT 5 Pro Smartwatch for Health and Sports

Jana-B29C
White Ceramic
42 MM
HUAWEI WATCH GT 5 Pro Smartwatch for Health and Sports Cover
HUAWEI WATCH GT 5 Pro Smartwatch for men women, Ceremic Titanium, up to 7 Days Battery Life, iOS & Android, Golf Watch, Health Tracking, ECG monitor, GPS, Bluetooth call, White

The HUAWEI WATCH GT 5 Pro is designed with a luxurious nanocrystal ceramic body and sapphire glass screen, making it both stylish and durable. It offers pro-level sports features, allowing you to explore activities like golf and trail running with ease. You can navigate seamlessly with wrist-based tracking and real-time routes. The robust battery life ensures you stay connected for up to seven days, so you won’t have to worry about constant recharging. Additionally, advanced health tracking provides you with accurate insights on your well-being.

What We Like
Luxurious materials
Pro-level sports tracking
Long battery life
Advanced health monitoring

Withings ScanWatch - Hybrid Smart Watch with ECG

HWA09-model 4-All-Int
Black
Withings ScanWatch - Hybrid Smart Watch with ECG Cover
Withings ScanWatch – Hybrid Smart Watch with ECG, Heart Rate, Oximeter - 30 Day Battery Life - Smart Watches for Women, Smart Watch for Men, Fitness Tracker - Android & iOS

The Withings ScanWatch offers advanced health monitoring features to help you stay on top of your fitness. With its electrocardiogram (ECG) function, you can easily detect atrial fibrillation and track your heart rate in just 30 seconds. The wrist-based oximetry provides medical-grade oxygen saturation levels, allowing you to monitor your respiratory health. Additionally, heart scanning capabilities alert you to any irregular rhythms, ensuring you remain informed about your heart health. This smart watch is designed to empower you in your health journey.

What We Like
Long battery life
ECG and heart rate tracking
Oxygen saturation monitoring
Sleep and activity tracking
Compatible with iOS and Android
#TOP 4

HUAWEI WATCH GT 3 Pro Smartwatch with Health Monitoring

Watch GT3 pro 42mm White Leather
White leather
43 mm
HUAWEI WATCH GT 3 Pro Smartwatch with Health Monitoring Cover
HUAWEI WATCH GT 3 Pro Smartwatch - Fashion Fitness Tracker and Health Monitor with Heart Rate, ECG, Blood Oxygen & Menstruation Cycle Tracking - Powerful Battery Up to 7 Days - Bluetooth - 43" White

The HUAWEI WATCH GT 3 Pro is designed for both style and functionality. Its seamless titanium body combines a sporty look with business casual elegance, making it suitable for any occasion. With impressive water resistance ratings, you can confidently wear it while diving up to 30 metres. The TruSeen 5.0+ heart rate monitoring technology ensures accurate heart rate tracking, providing you with real-time alerts if your heart rate fluctuates. Additionally, SpO2 measurements offer peace of mind, allowing you to monitor your blood oxygen levels effortlessly.

What We Like
Stylish titanium design
Water-resistant up to 30 metres
Accurate heart rate monitoring
SpO2 tracking for health
#TOP 5

HUAWEI Watch 4 Pro - Fitness Tracker and eSIM

55020AMB
Titanium
46 MM
HUAWEI Watch 4 Pro - Fitness Tracker and eSIM Cover
HUAWEI Watch 4 Pro Smart Watch for men-iOS & Android-Up to 21 Days Battery Life-eSIM Watch Cellular Calling and Sapphire Glass - Fitness Tracker Health Monitor with ECG and SPo2 - Titanium

The HUAWEI Watch 4 Pro is a stunning smartwatch designed for both style and functionality. Its exquisite aesthetics, featuring an aerospace-grade titanium case and sapphire glass, ensure durability and elegance. With phone-free smart features, you can make calls and send messages directly from your wrist, keeping you connected without needing your phone. Enjoy an impressive 21-day battery life, allowing you to use the watch for longer without frequent recharging. Plus, with over 100 workout modes, you can easily track your fitness and health metrics, enhancing your overall well-being.

What We Like
Elegant and durable design
Phone-free calling and messaging
Impressive 21-day battery life
Extensive fitness tracking options
#TOP 6

HUAWEI Watch 4 Smart Watch with eSIM

55020AMN
black
HUAWEI Watch 4 Smart Watch with eSIM Cover
HUAWEI Watch 4 Smart Watch - eSIM Watch with Cellular Calling and 3D Curved Glass - Fitness Tracker and Health Monitor with ECG and SPo2 Monitoring - Compatible with Android and iOs - 46MM Black

The HUAWEI Watch 4 offers an elegant design with its 316L stainless steel case and 3D curved glass, ensuring durability and style. With phone-free smart features enabled by eSIM technology, you can make calls and send messages directly from your wrist, enhancing your connectivity on the go. Enjoy a remarkable battery life, lasting up to 14 days in ultra-long mode, allowing you to stay active without constant recharging. Plus, with over 100 workout modes available, you can effectively track your fitness metrics, helping you achieve your health goals.

What We Like
Elegant design and durability
eSIM for phone-free calls
Up to 14-day battery life
100+ workout modes available
#TOP 7

Withings ScanWatch Horizon - Hybrid Smartwatch

HWA09-model 7-All-Int
Blue
Horizon
Withings ScanWatch Horizon - Hybrid Smartwatch Cover
Withings ScanWatch Horizon – Hybrid Smart Watch with ECG, Heart Rate, Oximeter - 30 Day Battery Life - Smart Watches for Women, Smart Watch for Men, Fitness Tracker - Android & iOS, Blue, 43mm

The Withings ScanWatch offers impressive health tracking features. It detects atrial fibrillation and normal heart rhythms through a quick 30-second ECG test, allowing you to monitor your heart health easily. Additionally, its wrist-based oximetry provides medical-grade oxygen saturation levels in the same swift timeframe. You can also track your heart rate continuously during workouts, optimising your training sessions. Furthermore, it alerts you to any irregular heart rhythms, ensuring you stay informed about your cardiovascular health.

What We Like
Comprehensive health monitoring features
Long-lasting 30-day battery
Water-resistant up to 100 meters
Swappable wristbands for customisation
Compatible with Android and iOS
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Do any smartwatches have ECG?

ECG was thrust into the wearable spotlight via the Apple Watch Series 5. But it can nw be found on a wider range of smartwatches, including the Samsung Galaxy Watch 4 and new Fitbit Sense health watch.

2. Are smart watches ECG accurate?

The smart watch–generated ECGs were 93% to 95% accurate at correctly identifying and distinguishing between different types of heart attacks. Among the healthy people, the watch's accuracy was 90% for correctly noting the absence of a heart attack. The findings were published online Aug. 31, 2020, by JAMA Cardiology.

3. Which smartwatch has ECG and SpO2?

ScanWatch is a hybrid smartwatch designed to monitor health parameters, detect AFib, and help improve overall fitness. Developed with professionals from world-renowned institutions, ScanWatch boasts clinically validated ECG capabilities, an oximeter for SpO2 measures, and an exceptional battery life of up to 30 days.

4. What is ECG monitoring on smartwatch?

The ECG app checks these pulses to get your heart rate and see if the upper and lower chambers of your heart are in rhythm. If they're out of rhythm, that could be AFib or atrial fibrillation, a form of irregular heart rhythm.

Editor's Notes

During our ecg monitor smartwatches research, we found 97 ecg monitor smartwatches products and shortlisted 7 quality products. We collected and analyzed 33,931 customer reviews through our big data system to write the ecg monitor smartwatches list. We found that most customers choose ecg monitor smartwatches with an average price of £227.65.

The ecg monitor smartwatches are available for purchase. We have researched hundreds of brands and picked the top brands of ecg monitor smartwatches, including HUAWEI, Withings.

Written by
Kenneth Collin Avatar

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.