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10 Best ECG Watches 2025 in the United States

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Our Top Picks

#1

Winner

Apple Watch Series 10 [GPS 46mm case] Smartwatch with Jet Black Aluminium Case with Black Sport Band - M/L. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant

Rating
9.7
Chosen by1,245
ECG Accuracy
Battery Life
Display Quality

Most important from
3545 reviews

ECG Accuracy
The ECG and heart rate monitoring are lifesaving features, with real-life examples of detecting serious health issues early.
Battery Life
Battery life is phenomenal, lasting up to two days without charging, and it recharges to full in about 30 minutes.
Display Quality
The large, high-quality display improves visibility and usability, making it easy to interact with various apps and notifications.
Compatibility
The watch's ease of use stands out, with easy setup and seamless integration with iPhones, making it a smooth upgrade from older models.

The Apple Watch Series 10 is a versatile smartwatch that excels in the ECG category, making it a strong choice for fitness enthusiasts and health-conscious users. One of its standout features is the ECG accuracy, allowing users to take heart readings anytime, which can be invaluable for monitoring heart health. The watch also provides notifications for irregular heart rhythms and abnormal heart rates, enhancing its health-tracking capabilities.

Battery life is decent, with fast charging capabilities, allowing users to recharge 80% in about 30 minutes. However, heavy users who frequently engage with features like GPS and health tracking might find the need to charge it daily. Its water resistance of up to 50 meters is a significant plus, making it suitable for swimmers or those who enjoy water sports.

The larger and higher-quality display improves usability and visibility, especially when interacting with various apps and notifications. Compatibility with Apple devices is seamless, allowing for easy integration into an Apple ecosystem, which is great for existing Apple users. The watch's additional health features, like tracking sleep and menstrual cycles, cater to a broad range of health needs. Individuals who do not own an iPhone might find this watch less useful, as many of its features are optimized for iOS. The customization options for watch faces and bands add a personal touch, but finding a variety of third-party apps can be limited compared to other platforms. Additionally, the watch's higher price point could be a drawback for budget-conscious consumers.

Rating
9.7
Chosen by1,245
ECG Accuracy
Battery Life
Display Quality

Most important from
3545 reviews

ECG Accuracy
The ECG and heart rate monitoring are lifesaving features, with real-life examples of detecting serious health issues early.
Battery Life
Battery life is phenomenal, lasting up to two days without charging, and it recharges to full in about 30 minutes.
Display Quality
The large, high-quality display improves visibility and usability, making it easy to interact with various apps and notifications.
Compatibility
The watch's ease of use stands out, with easy setup and seamless integration with iPhones, making it a smooth upgrade from older models.
#2

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)

Rating
9.4
ECG Accuracy
Battery Life
Display Quality

Most important from
4884 reviews

ECG Accuracy
The watch excels in continuous heart monitoring, ECG app, and sleep tracking, making it a comprehensive health tool.
Battery Life
Battery life is impressive, often lasting about a week before needing a recharge.
Display Quality
Users appreciate the variety of available watch faces, although installing more than six faces simultaneously can be problematic.
Compatibility
Bluetooth connectivity with iPhones has improved from the previous version.

The Fitbit Sense 2 is a solid choice for those looking for an advanced ECG watch that doubles as a comprehensive health and fitness tracker. Its ECG accuracy is commendable, allowing users to monitor their heart health effectively, which is crucial for those at risk of atrial fibrillation. The watch also boasts a long battery life, typically lasting over six days, reducing the hassle of frequent recharging. Additionally, it's water-resistant up to 50 meters, making it suitable for swimming or other water activities.

The display quality is sharp and user-friendly, featuring a 1.69-inch touchscreen that enhances interaction. Beyond heart monitoring, the Sense 2 includes additional health features like SpO2 tracking, stress management tools, and a detailed sleep analysis system. These can be particularly beneficial for anyone looking to improve their overall wellness.

However, there are some drawbacks to consider. While the ECG app is useful, it may not be as comprehensive as those found in other high-end medical-grade devices, which could limit its appeal for users needing more extensive heart health monitoring. Also, while compatibility with both iOS and Android is a plus, some features, like Google Maps, are only available on Android for now, which could alienate iPhone users. Ease of use is generally good, but setting up some advanced features may require a bit of a learning curve for less tech-savvy individuals. Lastly, while a six-month Premium membership is included, continuous access to advanced features afterward may incur additional costs, which could be a downside for some users.

The Fitbit Sense 2 is ideal for fitness enthusiasts and individuals looking to manage their health proactively, but those needing extensive medical-grade ECG monitoring or who prefer a no-cost service might find it lacking.

Rating
9.4
ECG Accuracy
Battery Life
Display Quality

Most important from
4884 reviews

ECG Accuracy
The watch excels in continuous heart monitoring, ECG app, and sleep tracking, making it a comprehensive health tool.
Battery Life
Battery life is impressive, often lasting about a week before needing a recharge.
Display Quality
Users appreciate the variety of available watch faces, although installing more than six faces simultaneously can be problematic.
Compatibility
Bluetooth connectivity with iPhones has improved from the previous version.
#3

Apple Watch Series 9 [GPS 41mm] Smartwatch with Midnight Aluminum Case with Midnight Sport Loop One Size. Fitness Tracker, ECG Apps, Always-On Retina Display, Carbon Neutral

Rating
9.1
Battery Life
Additional Health Features

Most important from
8750 reviews

Battery Life
The battery life is impressive, lasting a full day with constant use and recharging easily with the magnetic cable.
Additional Health Features
The watch's sensors for sleep, heart rate, and workouts help lead a healthier lifestyle.

The Apple Watch Series 9 is a top contender in the ECG-watch category, designed for those who prioritize health and fitness tracking. One of its strongest features is ECG accuracy, allowing users to take heart readings at any time and receive alerts for irregular rhythms. Coupled with advanced health metrics like sleep tracking and temperature sensing, it offers a comprehensive view of your wellbeing.

Battery life is generally good, but heavy users may find themselves needing to recharge frequently, especially with the always-on display feature. The display quality is impressive; the S9 chip enables a bright and responsive interface that enhances usability. The watch is also water-resistant to 50 meters, making it suitable for swimming and workouts, which is a significant advantage for fitness enthusiasts.

In terms of compatibility, it works seamlessly with newer Apple devices, but users with older iPhones may find it less useful, as it requires an iPhone XS or later. This can be limiting for those who are not fully integrated into the Apple ecosystem. While the Apple Watch Series 9 is customizable with various bands and watch faces, some users might prefer more traditional designs or additional features that other brands offer.

Ease of use is a highlight, thanks to its intuitive interface and voice control features. However, the advanced features may be overwhelming for users who are not tech-savvy. The watch offers a range of additional health features, including a workout app and safety alerts like fall detection, making it a reliable companion for fitness and health tracking.

The Apple Watch Series 9 excels in ECG capabilities and integrated health insights, but its dependency on the Apple ecosystem and relatively frequent recharging may discourage some users. For those seeking a comprehensive health companion who already uses Apple products, it stands out as an excellent choice.

Rating
9.1
Battery Life
Additional Health Features

Most important from
8750 reviews

Battery Life
The battery life is impressive, lasting a full day with constant use and recharging easily with the magnetic cable.
Additional Health Features
The watch's sensors for sleep, heart rate, and workouts help lead a healthier lifestyle.

Buying Guide for the Best ECG Watches

Choosing the right ECG watch can be a bit overwhelming given the variety of options available. An ECG watch is a wearable device that can monitor your heart's electrical activity, providing valuable insights into your cardiovascular health. When selecting an ECG watch, it's important to consider several key specifications to ensure you get a device that meets your needs and preferences. Here are the key specs to look for and how to navigate them.
ECG AccuracyECG accuracy refers to how precisely the watch can measure your heart's electrical activity. This is crucial because accurate readings can help detect potential heart issues like arrhythmias. Look for watches that have been clinically validated or approved by health authorities. If you have a known heart condition, higher accuracy is essential. For general wellness, moderate accuracy may suffice.
Battery LifeBattery life indicates how long the watch can operate before needing a recharge. This is important for convenience and ensuring continuous monitoring. Battery life can range from a day to several weeks. If you plan to use the ECG feature frequently, opt for a watch with longer battery life. For occasional use, shorter battery life might be acceptable.
Comfort and DesignComfort and design refer to how the watch feels on your wrist and its aesthetic appeal. Since you'll be wearing the watch regularly, it should be comfortable and match your style. Watches come in various sizes, materials, and designs. If you have sensitive skin, look for hypoallergenic materials. Choose a design that fits your lifestyle, whether sporty, casual, or formal.
ConnectivityConnectivity refers to how the watch connects to other devices, such as smartphones or computers. This is important for syncing data and accessing detailed reports. Watches may use Bluetooth, Wi-Fi, or other technologies for connectivity. If you want real-time updates and easy data sharing, ensure the watch has strong connectivity features. For basic use, simpler connectivity options might be sufficient.
Additional Health FeaturesAdditional health features include other monitoring capabilities like heart rate, sleep tracking, and activity tracking. These features can provide a more comprehensive view of your health. If you're looking for an all-in-one health device, choose a watch with multiple health features. If your primary concern is ECG monitoring, additional features might be less critical.
Ease of UseEase of use refers to how user-friendly the watch and its app interface are. This is important for ensuring you can easily access and understand your health data. Look for watches with intuitive interfaces and clear instructions. If you're not tech-savvy, opt for a watch with straightforward controls and a simple app. For advanced users, more complex features might be desirable.
DurabilityDurability indicates how well the watch can withstand wear and tear, including water resistance and impact resistance. This is important for long-term use and reliability. Watches can range from basic water resistance to being fully waterproof and rugged. If you lead an active lifestyle or plan to wear the watch during sports, choose a durable model. For everyday use, moderate durability might be sufficient.

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