Smartwatch fitness trackers with ECG have become essential tools for anyone seeking accurate heart health data on the go. The best models, like the Withings ScanWatch 2, combine traditional watch aesthetics with advanced health features, making them suitable for both fitness and everyday wear. Others, such as the Fitbit Sense 2 and Apple Watch Series 11, excel in seamless integration with health apps and user-friendly interfaces. However, these devices often involve tradeoffs like higher costs, shorter battery life, or limited compatibility. Continue reading for a detailed breakdown of the top options and what to consider before choosing your ideal ECG smartwatch.
Key Takeaways
- The top picks balance ECG accuracy with overall health tracking features and usability.
- Battery life varies significantly, with hybrid models generally lasting longer than full smartwatches.
- Compatibility with Android or iPhone influences which device is best suited for each user.
- Premium models often include additional health metrics like body temperature and stress monitoring.
- Price range spans from budget-friendly options to high-end devices, so prioritizing features is key.
| Zeacool Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, Waterproof, Pedometer, Smart Watch for Women and Men |  | Best Overall for Comprehensive Health Monitoring | Display: 1.10 inch AMOLED HD Touch screen | Water Resistance: 5 ATM Waterproof | Battery Life: 10-14 days regular use, 30 days standby | VIEW ON AMAZON | See Our Full Breakdown |
| Withings ScanWatch 2 – Hybrid Smart Watch with Heart Rate Monitoring and Fitness Tracking |  | Best for Classic Design with Medical-Grade ECG | Battery Life: 35 days | Monitoring Features: ECG, heart rate, sleep, activity | Compatibility: Android & iOS | VIEW ON AMAZON | See Our Full Breakdown |
| Fitbit Sense 2 Health and Fitness Smartwatch – Lunar White/Platinum |  | Best for All-in-One Wellness and Stress Management | Color: Lunar White/Platinum | Stress Management: Yes | Sleep Tracking: Yes | VIEW ON AMAZON | See Our Full Breakdown |
| Samsung Galaxy Watch 4 Classic 46mm Smartwatch – Black (Renewed) |  | Best for Premium Design and Advanced Sensors | Size: 46mm | Color: Black | Connectivity: Bluetooth | VIEW ON AMAZON | See Our Full Breakdown |
| Google Fitbit Versa 4 Fitness Smartwatch, Black/Graphite |  | Best for Versatile Fitness and Long Battery Life | Heart Rate Monitoring: 24/7 | GPS: Built-in | Exercise Modes: 40+ | VIEW ON AMAZON | See Our Full Breakdown |
| Smart Watch for Women and Men, Fitness and Sleep Tracker with 1.83″ HD Touchscreen, Bluetooth Calling, IP67 Waterproof, Multi-Sport Modes |  | Best Value for Versatility | Display: 1.83-inch HD touchscreen | Water Resistance: IP67 | Battery Life: Up to 10 days | VIEW ON AMAZON | See Our Full Breakdown |
| Apple Watch Series 11 GPS 46mm Smartwatch with Jet Black Aluminum Case and Black Sport Band |  | Best for iPhone Users and Premium Features | Model: Series 11 | Size: 46mm | Connectivity: GPS | VIEW ON AMAZON | See Our Full Breakdown |
| Smart Watch Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, 120 Sports Modes, IP68 Waterproof for Android & iPhone |  | Best for Extensive Health and Activity Modes | Display: 1.58” high-resolution touch screen | Health Monitoring: Heart rate, blood oxygen, blood pressure, sleep | Exercise Modes: 120+ modes | VIEW ON AMAZON | See Our Full Breakdown |
| Smart Watch Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, 120 Sports Modes, IP68 Waterproof for Android and iPhone |  | Best for Style and Multi-Functional Health Tracking | Display: 1.58 inch high-resolution | Health Monitoring: Heart rate, blood oxygen, blood pressure | Exercise Modes: 120+ modes | VIEW ON AMAZON | See Our Full Breakdown |
| Withings ScanWatch 2 – Hybrid Smart Watch with Heart Rate Monitoring and Fitness Tracking |  | Best for Long Battery Life and Classic Design | Design: Stainless steel case with sapphire glass | Battery Life: 35 days | Health Monitoring: ECG, heart rate, AFib detection | VIEW ON AMAZON | See Our Full Breakdown |
| Advanced Health Smartwatch for Women and Men with Heart Rate, Blood Oxygen, Body Temperature, Blood Pressure, Sleep Quality, and Stress Monitoring |  | Best Overall for Comprehensive Health Monitoring | Compatibility: Android 4.4+ and iOS 8.2+ | Water Resistance: IP68 | Display: High-definition touch screen | VIEW ON AMAZON | See Our Full Breakdown |
| Apple Watch Series 11 GPS 42mm Smartwatch with Rose Gold Aluminum Case and Light Blush Sport Band – S/M |  | Best Premium Choice with Seamless Ecosystem Integration | Model: Series 11 | Connectivity: GPS | Size: 42mm | VIEW ON AMAZON | See Our Full Breakdown |
| Fitbit Sense 2 Health and Fitness Smartwatch – Shadow Grey/Graphite |  | Best for Stress and Sleep Management with Long Battery Life | Color: Shadow Grey/Graphite | Stress Management: Yes | Sleep Tracking: Yes | VIEW ON AMAZON | See Our Full Breakdown |
| Google Fitbit Charge 6 Fitness Tracker – Obsidian/Black |  | Best for Fitness Enthusiasts with Google Ecosystem Integration | Color: Obsidian/Black | Bands: Small and Large | Features: Heart rate, sleep tracking, Active Zone Minutes, built-in GPS, stress management, Smart Wake alarm, Google Maps directions, Google Wallet, 3-month Google Health Premium trial | VIEW ON AMAZON | See Our Full Breakdown |
| smartwatch fitness trackers with ecg | Water Resistance | Battery Life | Compatibility |
|---|---|---|---|
| Zeacool Fitness Tracker with H | 5 ATM Waterproof | 10-14 days regular use, 30 days standby | iPhone and Android |
| Withings ScanWatch 2 | — | 35 days | Android & iOS |
| Fitbit Sense 2 Health and Fitn | — | — | — |
| Samsung Galaxy Watch 4 Classic | — | — | — |
| Google Fitbit Versa 4 Fitness | 50 meters | 6+ days | — |
| Smart Watch for Women and Men | IP67 | Up to 10 days | iOS and Android |
| Apple Watch Series 11 GPS 46mm | 50m | Up to 24 hours | — |
| Smart Watch Fitness Tracker wi | IP68 | — | Android and iOS |
| Smart Watch Fitness Tracker wi | IP68 | — | Android and iOS |
| Withings ScanWatch 2 | — | 35 days | Android and iOS |
| Advanced Health Smartwatch for | IP68 | — | Android 4.4+ and iOS 8.2+ |
| Apple Watch Series 11 GPS 42mm | 50m | Up to 24 hours | — |
| Fitbit Sense 2 Health and Fitn | — | 6+ days | — |
| Google Fitbit Charge 6 Fitness | — | — | — |
More Details on Our Top Picks
Zeacool Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, Waterproof, Pedometer, Smart Watch for Women and Men
This model stands out for its breadth of health features, combining heart rate, blood oxygen, and blood pressure tracking into a single device. Its long battery life of up to 14 days with regular use and 30 days on standby offers a practical advantage over many competitors, including the Withings ScanWatch 2, which has a longer 35-day battery but less extensive activity tracking. The large 1.10-inch AMOLED display enhances visibility, while waterproofing supports swimming. However, the plethora of features can be overwhelming for users seeking simplicity, and reliance on an app may be inconvenient for some. The device’s extensive health monitoring makes it ideal for users prioritizing detailed data, but those wanting a streamlined experience may find it too feature-rich.
Pros:- Comprehensive health tracking including blood pressure and oxygen levels
- Long battery life with fast magnetic charging
- Waterproof design suitable for swimming and outdoor activities
- Vivid AMOLED display with customizable watch faces
Cons:- Features may be overwhelming for some users seeking simplicity
- Requires app for full functionality, which could be inconvenient
Best for: Health-conscious users who want detailed analytics and long battery life in one device
Not ideal for: Users seeking a minimalist or fully digital display smartwatch, who may find the extensive features overwhelming
- Display:1.10 inch AMOLED HD Touch screen
- Water Resistance:5 ATM Waterproof
- Battery Life:10-14 days regular use, 30 days standby
- Compatibility:iPhone and Android
- Sport Modes:25
- Functions:Heart rate, blood oxygen, blood pressure, sleep monitoring, remote photography, weather display, reminders
Our verdict“This is ideal for users who want a feature-rich health tracker with long-lasting battery life and waterproof durability.”
Withings ScanWatch 2 – Hybrid Smart Watch with Heart Rate Monitoring and Fitness Tracking
The Withings ScanWatch 2 excels through its hybrid design, blending traditional analog aesthetics with digital health features like ECG and AFib detection, making it perfect for those who prefer a classic look. Its impressive 35-day battery life surpasses most full digital smartwatches, including the Fitbit Sense 2, which offers about 6 days. The durable stainless steel case and sapphire glass add a premium feel, while the hybrid format may not appeal to users wanting a fully digital display. Full functionality depends on the Withings app, which might be a minor inconvenience. This pick is ideal for users who want medical-grade ECG in a stylish, timeless form, but it might not satisfy those who prefer a fully digital experience.
Pros:- Long battery life of up to 35 days
- Medical-grade ECG and AFib detection
- Stainless steel and sapphire glass for durability
- Compatible with both Android and iOS
Cons:- Hybrid design may not appeal to digital-only users
- Requires the Withings app for full features
Best for: Users seeking a sophisticated, hybrid watch with medical-grade ECG and long battery life
Not ideal for: Tech enthusiasts who prefer a fully digital interface and more interactive displays
- Battery Life:35 days
- Monitoring Features:ECG, heart rate, sleep, activity
- Compatibility:Android & iOS
- Material:Stainless steel with sapphire glass
- Size:Multiple sizes and finishes
Our verdict“This watch suits users wanting a stylish, traditional-looking device with advanced health monitoring and excellent battery life.”
Fitbit Sense 2 Health and Fitness Smartwatch – Lunar White/Platinum
The Fitbit Sense 2 makes a strong case for comprehensive health tracking, combining ECG, stress management, and sleep analysis into a sleek device. Its built-in GPS and activity tracking support a variety of workouts, making it versatile for fitness-focused users. Compared with the Withings ScanWatch 2, it offers more active fitness features but at a higher price point, and some advanced functions may require a subscription. The 6+ day battery life is solid but less than the 35 days of the ScanWatch. Its user-friendly interface suits those seeking an all-in-one health companion with stress management tools, though users looking for a minimalist or purely analog experience should look elsewhere.
Pros:- Comprehensive health and stress management features
- Built-in GPS and activity tracking for diverse workouts
- Over 6 days of battery life
- Supports sleep analysis and SpO2 monitoring
Cons:- May be expensive for some users
- Some features require subscriptions for full access
Best for: Fitness enthusiasts who want detailed health insights and stress management features
Not ideal for: Minimalist users or those on a tight budget, due to its higher cost and subscription requirements
- Color:Lunar White/Platinum
- Stress Management:Yes
- Sleep Tracking:Yes
- ECG App:Yes
- SpO2 Monitoring:Yes
- Heart Rate Monitoring:24/7
- GPS:Built-in
Our verdict“This is best suited for users wanting an all-encompassing health smartwatch with stress and sleep tracking.”
Samsung Galaxy Watch 4 Classic 46mm Smartwatch – Black (Renewed)
The Samsung Galaxy Watch 4 Classic appeals through its elegant stainless steel build and rotating bezel, which offers intuitive navigation. Its health sensors include ECG, blood oxygen, and heart rate monitoring, positioning it as a strong competitor for fitness-focused users who also value style. Compared with the Fitbit Versa 4, it offers a more premium, durable feel but may lack the long battery life of the Withings ScanWatch 2, especially in its renewed condition. The device relies on Bluetooth, which requires a close connection to a smartphone for full functionality. It’s ideal for users who want a stylish, high-end device with advanced health features but are okay with potential battery limitations.
Pros:- Rotating bezel for easy navigation
- Premium stainless steel design
- Comprehensive health sensors including ECG
- Wear OS for extensive app and notification access
Cons:- Refurbished condition may vary in quality
- Battery life may be limited with intensive use
Best for: Style-conscious users who want a premium, functional smartwatch with health sensors
Not ideal for: Users seeking the longest possible battery life or who prefer fully digital displays without a traditional look
- Size:46mm
- Color:Black
- Connectivity:Bluetooth
- Sensor Technology:BioActive Sensor
- Features:ECG Monitor, GPS, Fall Detection, Sleep Tracking
Our verdict“This watch suits users wanting a stylish, durable device with advanced health features and a premium feel.”
Google Fitbit Versa 4 Fitness Smartwatch, Black/Graphite
The Fitbit Versa 4 provides a well-rounded fitness experience, with 24/7 heart rate monitoring, built-in GPS, and over 40 exercise modes. Its design favors everyday wear, complemented by features like sleep tracking, stress management tools, and smart notifications. When compared to the Sense 2, it offers similar health tracking but at a slightly lower price point, with a simple interface suited for casual users. Its 6+ day battery life ensures less frequent charging, making it convenient for daily use. However, its water resistance is limited to 50 meters, and some advanced features may require a Fitbit Premium subscription. This device makes sense for fitness-focused users seeking durability and versatility at a moderate price.
Pros:- Extensive exercise modes and built-in GPS
- Long battery life of over 6 days
- Smart notifications and Alexa built-in
- Water resistance up to 50 meters
Cons:- Limited water resistance compared to some rivals
- Some features require a subscription for full access
Best for: Active users who want long-lasting battery life and a broad range of workout modes
Not ideal for: Users seeking highly advanced health metrics like ECG or stress analysis without subscription fees
- Heart Rate Monitoring:24/7
- GPS:Built-in
- Exercise Modes:40+
- Water Resistance:50 meters
- Battery Life:6+ days
- Membership Included:3-month Google Health Premium
Our verdict“This smartwatch suits users who prioritize battery longevity and fitness versatility over ultra-advanced health sensors.”
Smart Watch for Women and Men, Fitness and Sleep Tracker with 1.83″ HD Touchscreen, Bluetooth Calling, IP67 Waterproof, Multi-Sport Modes
This smartwatch stands out for its large, vibrant 1.83-inch display, offering excellent sunlight visibility that enhances usability during outdoor activities. Unlike the Apple Watch Series 11, it provides more extensive health monitoring features like blood oxygen and stress tracking without the premium price. Its 10-day battery life exceeds most competitors, making it ideal for those who dislike frequent charging. However, despite the IP67 rating, it isn’t suited for swimming or hot showers, which could limit its water resistance for some users. Its Bluetooth calling and notification features add convenience, but the device requires a 2-hour charge, which might be inconvenient for busy users.
Pros:- Large, sunlight-visible HD display
- Extensive health tracking including blood oxygen and stress
- Long battery life of up to 10 days
- Affordable price point
Cons:- IP67 rating limited for swimming or hot water exposure
- Full charge takes up to 2 hours
Best for: Active individuals seeking a comprehensive, affordable fitness tracker with good display quality and long battery life.
Not ideal for: Swimmers or those who need a device resistant to hot water and diving, as its water resistance is limited.
- Display:1.83-inch HD touchscreen
- Water Resistance:IP67
- Battery Life:Up to 10 days
- Connectivity:Bluetooth
- Compatibility:iOS and Android
- Sensors:Heart rate, blood oxygen, stress, sleep
- Multi-Sport Modes:Running, swimming, yoga, hiking
Our verdict“This model is perfect for budget-conscious users who want a versatile, long-lasting fitness tracker for daily active use.”
Apple Watch Series 11 GPS 46mm Smartwatch with Jet Black Aluminum Case and Black Sport Band
The Apple Watch Series 11 excels with its seamless integration into the iOS ecosystem, offering advanced health and sleep tracking, ECG, and safety alerts that surpass many competitors like the Withings ScanWatch 2. Its durable, water-resistant design with a 50m rating makes it suitable for swimming. The 24-hour battery life, however, requires frequent recharging, especially with intensive use. While the fast charging feature alleviates some concerns, its high price makes it less accessible for budget shoppers. The limited compatibility outside Apple devices restricts its appeal for Android users, and battery life can vary based on features used.
Pros:- Comprehensive health and sleep tracking
- Durable, water- and dust-resistant build
- Fast charging for quick power-ups
- Seamless iPhone integration
Cons:- High cost compared to other options
- Limited battery life of about 24 hours
Best for: iPhone owners seeking a premium, feature-rich smartwatch with ECG and health insights.
Not ideal for: Android users or those seeking a longer battery life without frequent charging obligations.
- Model:Series 11
- Size:46mm
- Connectivity:GPS
- Case Material:Jet Black Aluminum
- Water Resistance:50m
- Battery Life:Up to 24 hours
- Fast Charging:15 minutes for 8 hours of use
Our verdict“This watch is ideal for iPhone users who prioritize advanced health features and durable design over battery longevity.”
Smart Watch Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, 120 Sports Modes, IP68 Waterproof for Android & iPhone
This device offers an impressive array of over 120 sports modes and comprehensive health metrics, making it suitable for dedicated athletes or fitness enthusiasts. Its 1.58-inch high-resolution display provides vibrant visuals that rival the Apple Watch Series 11, especially for users who want customizable watch faces. Unlike the Withings ScanWatch 2, which focuses on hybrid elegance and long-term health monitoring, this tracker emphasizes a broader range of activity tracking and real-time data. However, its feature set can be overwhelming for newcomers, and battery life isn’t specified, which may concern those on the go. Its IP68 waterproof rating makes it versatile for swimming and outdoor activities, but some features depend heavily on connected apps and phone GPS.
Pros:- Vibrant, high-resolution display
- Over 120 sport modes for diverse activities
- Comprehensive health monitoring including blood pressure
- IP68 waterproof for swimming
Cons:- Learning curve due to many features
- Battery life not specified
Best for: Fitness buffs who want extensive activity modes and detailed health metrics in a waterproof design.
Not ideal for: Users wanting a simple, minimal interface or those who prefer longer battery life without frequent recharging.
- Display:1.58” high-resolution touch screen
- Health Monitoring:Heart rate, blood oxygen, blood pressure, sleep
- Exercise Modes:120+ modes
- Water Resistance:IP68
- Compatibility:Android and iOS
- Strap:Replaceable, washable
- Additional Features:Notifications, music, camera remote
Our verdict“Designed for dedicated athletes who need detailed metrics and extensive sport modes in a waterproof package.”
Smart Watch Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, 120 Sports Modes, IP68 Waterproof for Android and iPhone
This tracker combines style with detailed health and activity monitoring, matching the feature set of the previous model but with over 250 customizable watch faces for personalization. Its 1.58-inch high-resolution display rivals the Apple Watch for clarity and visual appeal. Unlike the Withings hybrid ScanWatch 2, it emphasizes lifestyle features like notifications and music control, making it more suitable for daily wear and casual fitness tracking. Still, the abundance of features may be overwhelming for some, and its battery life remains unspecified, which could be a concern for all-day tracking. Its waterproof rating supports swimming, but full functionality depends on the connected app and phone GPS.
Pros:- Vibrant display with over 250 watch faces
- Extensive health and activity metrics
- Wide compatibility with Android and iPhone
- Waterproof design for swimming
Cons:- Feature overload may confuse beginners
- Battery life details not provided
Best for: Style-conscious users who want extensive health tracking with customizable watch faces and lifestyle features.
Not ideal for: Users seeking long battery life or a straightforward fitness tracker without many visual customization options.
- Display:1.58 inch high-resolution
- Health Monitoring:Heart rate, blood oxygen, blood pressure
- Exercise Modes:120+ modes
- Water Resistance:IP68
- Compatibility:Android and iOS
- Watch Faces:Over 250 options
- Additional Features:Notifications, music control
Our verdict“Ideal for users who value style, customization, and comprehensive health tracking in a waterproof design.”
Withings ScanWatch 2 – Hybrid Smart Watch with Heart Rate Monitoring and Fitness Tracking
The Withings ScanWatch 2 offers a unique hybrid design combining traditional analog hands with digital health tracking, including ECG and AFib detection. Its 35-day battery life is a significant advantage over fully digital smartwatches like the Apple Watch Series 11, reducing the need for frequent recharges. While it excels in long-term health monitoring and offers features like sleep analysis and VO₂ max, its hybrid nature means it lacks the full smartwatch capabilities found in more modern, full-display devices. Its higher price and reliance on the Withings app for full functionality may deter budget-conscious or casual users. This watch appeals most to those prioritizing style, elegance, and extended battery life over extensive smart features.
Pros:- Exceptional 35-day battery life
- Elegant, timeless hybrid design
- Comprehensive health tracking including ECG and AFib
- Durable materials like stainless steel and sapphire glass
Cons:- Limited smartwatch features compared to full digital devices
- Requires Withings app for full functionality
- Higher price point
Best for: Health-focused users seeking a stylish, long-lasting device with ECG and comprehensive health metrics, without needing full smartwatch features.
Not ideal for: Users wanting a fully digital, app-rich smartwatch with extensive notifications or multimedia support.
- Design:Stainless steel case with sapphire glass
- Battery Life:35 days
- Health Monitoring:ECG, heart rate, AFib detection
- Sleep & Activity Tracking:Sleep stages, VO₂ max
- Compatibility:Android and iOS
- OS:HealthSense OS
Our verdict“Perfect for health-conscious individuals who prioritize style and long battery life over full smartwatch connectivity.”
Advanced Health Smartwatch for Women and Men with Heart Rate, Blood Oxygen, Body Temperature, Blood Pressure, Sleep Quality, and Stress Monitoring
This smartwatch stands out for combining extensive health metrics — from heart rate to blood pressure — into a single device, making it ideal for users who want a full picture of their wellness. Unlike the Apple Watch Series 11, which emphasizes sleek design and advanced features but requires an iPhone, this model offers versatility across Android and iOS, with over 150 sports modes for active lifestyles. Its waterproof design supports diverse activities, yet its battery life remains unspecified, which could be a concern for those seeking long-term use without frequent charging. The large display and customizable faces add convenience, but some features might be overwhelming for casual users. Overall, this device fits those who prioritize detailed health insights and activity tracking without compromising on water resistance or customization.
Pros:- Comprehensive health metrics in one device
- Supports over 150 sports modes for versatile activity tracking
- Customizable watch faces with photo upload options
- IP68 waterproof rating suitable for various activities
Cons:- Battery life details are not specified, raising questions about longevity
- Requires smartphone connection for full functionality
- Some features may be complex for casual users
Best for: Health-conscious users seeking a versatile, all-in-one health smartwatch compatible with both Android and iOS.
Not ideal for: Casual users or those who prefer a simple, straightforward device without many features or complex interfaces.
- Compatibility:Android 4.4+ and iOS 8.2+
- Water Resistance:IP68
- Display:High-definition touch screen
- Bluetooth:5.2
- Features:Heart rate, blood oxygen, body temperature, blood pressure, sleep quality, stress monitoring, activity tracking, notifications, calls, AI voice assistant, customizable dials
Our verdict“This smartwatch makes the most sense for active users who want detailed health tracking and customization in a waterproof design.”
Apple Watch Series 11 GPS 42mm Smartwatch with Rose Gold Aluminum Case and Light Blush Sport Band – S/M
The Apple Watch Series 11 offers a refined mix of health tracking, including ECG, fall detection, and emergency SOS, making it ideal for users who want top-tier safety features alongside fitness. Compared with the Fitbit Sense 2, which emphasizes stress management and sleep, the Apple Watch tends to focus more on health alerts and comprehensive fitness tracking within a sleek, lightweight frame. Its water resistance up to 50 meters supports swimming, and the fast charging feature is convenient for busy schedules, but the 24-hour battery life remains a limitation for all-day wear without frequent recharging. Designed primarily for iPhone users, this device offers a polished aesthetic and reliable performance but comes at a higher price point. It’s best suited for those who value style and seamless Apple ecosystem integration over affordability.
Pros:- Advanced health and fitness tracking including ECG
- Water-resistant up to 50 meters, suitable for swimming
- Fast charging provides 8 hours of use in just 15 minutes
- Lightweight and stylish design
Cons:- Requires an iPhone for full functionality
- Limited to 24 hours of battery life under typical use
- Higher price compared to many alternatives
Best for: iPhone users seeking a stylish, feature-rich smartwatch with advanced health and safety features.
Not ideal for: Android users or those seeking a budget-friendly or longer-lasting battery device.
- Model:Series 11
- Connectivity:GPS
- Size:42mm
- Case Material:Aluminum
- Water Resistance:50m
- Battery Life:Up to 24 hours
Our verdict“This pick is perfect for Apple loyalists who want a premium, stylish device with comprehensive health features and safety alerts.”
Fitbit Sense 2 Health and Fitness Smartwatch – Shadow Grey/Graphite
The Fitbit Sense 2 excels at supporting mental health alongside physical activity, with built-in stress management and sleep insights. Its ECG app and SpO2 monitoring add valuable health data, making it well-suited for users who want to track overall wellness without the need for a smartphone constantly nearby. Compared to the Google Fitbit Charge 6, it offers longer battery life — over 6 days — which suits those who dislike frequent charging. However, some premium features require a Google Health subscription, and its water resistance is limited to 50 meters, making it less ideal for serious swimmers. The interface can seem complex for new users, but its comprehensive health tools make it a strong choice for those focused on holistic wellbeing.
Pros:- Excellent stress management and sleep tracking
- Built-in ECG and SpO2 monitoring
- Long battery life of over 6 days
- Smart notifications and customizable watch faces
Cons:- Premium features depend on a subscription
- Limited water resistance for swimming
- Interface can be complex for beginners
Best for: Individuals prioritizing stress, sleep, and holistic health management in a comfortable, long-lasting device.
Not ideal for: Users who want a device primarily for intense swimming or who prefer a simpler interface.
- Color:Shadow Grey/Graphite
- Stress Management:Yes
- Sleep Tracking:Yes
- ECG App:Yes
- SpO2 Monitoring:Yes
- Battery Life:6+ days
Our verdict“This device is best for those seeking a comprehensive wellness tracker that emphasizes mental health and sleep, with long battery life.”
Google Fitbit Charge 6 Fitness Tracker – Obsidian/Black
The Fitbit Charge 6 offers a well-rounded fitness tracking experience, with real-time heart rate monitoring, built-in GPS, and stress management tools. It stands out for seamless integration with Google apps like Maps and Wallet, making it a strong choice for Android users or those deeply embedded in Google services. Unlike the Apple Watch Series 11, which focuses on safety and health alerts, the Charge 6 emphasizes daily activity metrics and coaching, with a 3-month Google Health Premium trial included. Its battery life is impressive at around 7 days, but some features like premium coaching require an additional subscription, and real-time heart rate display is limited to compatible exercise equipment. It’s an excellent choice for fitness-focused users who want Google ecosystem compatibility.
Pros:- Comprehensive fitness and health metrics
- Built-in GPS and real-time heart rate monitoring
- Google app integrations including Maps and Wallet
- Includes a 3-month Google Health Premium trial
Cons:- Premium coaching requires an additional subscription
- Limited real-time heart rate display on some exercise equipment
- Features may require a connected smartphone
Best for: Android users or Google ecosystem enthusiasts looking for a versatile, feature-rich fitness tracker with ECG capabilities.
Not ideal for: Users seeking a device with extensive smartwatch features like calls or advanced safety alerts.
- Color:Obsidian/Black
- Bands:Small and Large
- Features:Heart rate, sleep tracking, Active Zone Minutes, built-in GPS, stress management, Smart Wake alarm, Google Maps directions, Google Wallet, 3-month Google Health Premium trial
Our verdict“This tracker is ideal for fitness-focused users within the Google ecosystem who want solid ECG and activity tracking at a reasonable price.”
How We Picked
Our evaluation focused on performance, accuracy of ECG readings, ease of use, build quality, and value for money. We compared how well each device integrates with mobile health apps and their overall ecosystem, considering user interface and comfort for daily wear. Battery life was also a key factor, especially for those who prefer longer periods between charges. Finally, we prioritized products that balance advanced health features with affordability, ensuring options for different budgets and needs. Devices were ranked based on how comprehensively they meet these criteria while offering reliable ECG monitoring.| smartwatch fitness trackers with ecg | Compatibility |
|---|---|
| Zeacool Fitness Tracker with H | iPhone and Android |
| Withings ScanWatch 2 | Android & iOS |
| Fitbit Sense 2 Health and Fitn | — |
| Samsung Galaxy Watch 4 Classic | — |
| Google Fitbit Versa 4 Fitness | — |
| Smart Watch for Women and Men | iOS and Android |
| Apple Watch Series 11 GPS 46mm | — |
| Smart Watch Fitness Tracker wi | Android and iOS |
| Smart Watch Fitness Tracker wi | Android and iOS |
| Withings ScanWatch 2 | Android and iOS |
| Advanced Health Smartwatch for | Android 4.4+ and iOS 8.2+ |
| Apple Watch Series 11 GPS 42mm | — |
| Fitbit Sense 2 Health and Fitn | — |
| Google Fitbit Charge 6 Fitness | — |
Factors to Consider When Choosing Smartwatch Fitness Trackers With Ecg
Choosing the right smartwatch fitness tracker with ECG involves more than just checking features. It’s important to consider compatibility with your smartphone, how comfortable the device is to wear daily, and whether the health data provided aligns with your wellness goals. Battery life can vary dramatically, so think about your typical usage patterns. Additional health metrics like blood oxygen or stress monitoring might influence your choice if you seek a comprehensive health tool. Lastly, weigh the device’s design and interface to find one you’ll enjoy wearing regularly.Compatibility and Ecosystem
Make sure the device works seamlessly with your smartphone’s operating system—iOS or Android. Some smartwatches are optimized for specific ecosystems, offering more integrated health tracking and app support. Compatibility affects data synchronization, notifications, and even software updates. Choosing a device within your preferred ecosystem ensures a smoother experience and better access to health insights over time.
Battery Life and Charging
Battery life is a common tradeoff—devices with extensive health features, including ECG, often need more frequent charging. Hybrid models or traditional watches tend to last longer, sometimes up to a week, while full smartwatches may require daily charging. Consider how often you’re willing to charge your device and whether longer battery life outweighs the latest features. Also, look at charging convenience, such as magnetic docks or quick-charge options.
Health Metrics and Features
Beyond ECG, consider what additional health metrics matter most to you. Blood oxygen, sleep tracking, stress monitoring, and body temperature can provide a fuller picture of your health. However, more features often increase cost and complexity. Focus on the metrics that align with your health goals and lifestyle, ensuring the device delivers accurate data for your needs.
Design and Comfort
Aesthetics and comfort are vital since you’ll wear the device daily. Some models resemble traditional watches with leather or metal bands, while others have sportier silicone straps. The size and weight can affect comfort, especially during sleep or exercise. Choose a design that fits your style and feel confident wearing it throughout your day and night.
Cost and Value
Prices vary widely, from budget options to luxury models. Cheaper devices may lack advanced ECG accuracy or additional health metrics, but can still provide essential heart monitoring. Premium devices include more features, better build quality, and longer software support—justify the higher price with your health priorities. Evaluate whether the added benefits align with your budget to find the best value for your investment.
Frequently Asked Questions
Can I rely solely on ECG data from a smartwatch for health decisions?
While smartwatch ECG readings are generally accurate for screening purposes, they shouldn’t replace professional medical advice. These devices can alert you to irregularities or possible issues, but definitive diagnosis and treatment require consultation with a healthcare professional. Use the data as a helpful supplement to regular check-ups, not as the sole basis for health decisions.
Are ECG smartwatches suitable for people with existing heart conditions?
ECG smartwatches can be valuable tools for monitoring heart rhythm and detecting irregularities, which is especially helpful for those with known conditions. However, they are not medical devices and are not a substitute for clinical diagnostics. If you have an existing condition, discuss with your doctor whether a wearable ECG device fits into your health management plan and ensure it complements your ongoing treatment.
How accurate are the ECG readings on these smartwatches?
Most high-quality ECG smartwatches provide reasonably accurate readings suitable for detecting common issues like atrial fibrillation. However, factors like proper placement, skin contact, and user movement can affect accuracy. They are best used as screening tools or for trend monitoring rather than definitive diagnostics. For critical health concerns, always seek confirmation through medical-grade equipment.
Do ECG smartwatches work with both iPhone and Android devices?
Many ECG-capable smartwatches are compatible with both iOS and Android, but some features may be limited depending on the platform. For example, Apple Watches are primarily iOS-exclusive, while Fitbit and Samsung devices work well across both ecosystems. Check compatibility details before purchase to ensure seamless integration and access to all health features on your device.
Is the ECG feature available on all smartwatches in this list?
No, not all devices in this lineup include ECG functionality. Some hybrid or fitness-focused models prioritize other health metrics or aesthetic design. Be sure to verify that the specific model you’re interested in offers ECG monitoring if that feature is critical to your health tracking. Not every smartwatch or fitness tracker on the market includes this capability.
Conclusion
If you’re looking for the best overall experience with comprehensive health tracking and reliable ECG readings, the Withings ScanWatch 2 stands out for its balance of style and function. For those prioritizing value, budget-friendly models like the Zeacool Fitness Tracker offer essential ECG features without breaking the bank. Premium users who want extra health metrics and seamless integration may prefer the Apple Watch Series 11. Beginners or casual users should focus on comfort and ease of use, making simpler models with straightforward interfaces ideal. For specific health needs, such as ongoing heart monitoring, select a device with proven accuracy and trusted software support.
