10 Best Ecg Smartwatch 2025 in the United States

The Fitbit Sense 2 is a solid choice if you want a smartwatch focused on health and fitness with advanced features. It offers ECG monitoring to help detect irregular heart rhythms, plus continuous heart rate tracking and SpO2 measurement for oxygen levels, which are helpful for keeping an eye on your heart and overall wellness. Stress and sleep management tools are a highlight, including daily stress scores, mindfulness exercises, and detailed sleep tracking with personalized insights to improve rest.

The built-in GPS is great for outdoor workouts, and with over 40 exercise modes, it covers a lot of activity types. It’s water resistant up to 50 meters, so you can wear it while swimming or in the rain without worry. The design is sleek and comfortable for all-day wear, with interchangeable bands in two sizes included. Notifications and Bluetooth calls on the wrist add convenience, and features like Fitbit Pay and voice assistant support make the watch versatile. The color display is clear and easy to read, plus the battery lasts more than six days, so you don’t need to charge it frequently.

Some features like Google Maps are limited to Android users for now, and the device works best paired with a smartphone to unlock full potential. Also, while the watch includes a free 6-month Fitbit Premium trial, continued access requires subscription. If you want a stylish, health-focused smartwatch that balances fitness tracking with smart features and good battery life, Fitbit Sense 2 is a strong option, especially for those interested in detailed heart and stress monitoring.

The Apple Watch Series 10 is a high-end ECG-smartwatch with several impressive features. Its advanced ECG monitoring provides valuable insights into heart health, alerting users to high or low heart rates and irregular rhythms. The watch also includes comprehensive fitness tracking capabilities, covering various activities like running, swimming, and yoga, making it suitable for diverse fitness enthusiasts. It offers detailed analysis through apps for sleep, cycle tracking, and mindfulness, which enhances its appeal to those focused on overall wellness.

The watch boasts a durable design with water resistance up to 50 meters and IP6X dust resistance, ensuring reliability in various conditions. The always-on Retina display is bright and clear, improving readability even in direct sunlight. Fast charging and up to 36 hours of battery life in low power mode are strong points, although regular use battery life is limited to around 18 hours, which may not suffice for heavy users. Compatibility with iPhone XS or later ensures seamless integration into the Apple ecosystem, enhancing user experience with features like Apple Pay and precision finding.

Design-wise, the smartwatch is comfortable and customizable with various bands and watch faces, catering to personal preferences. However, the reliance on Apple's ecosystem might be a drawback for non-iPhone users. Additionally, while packed with features, it carries a premium price tag that might not fit everyone's budget. The Apple Watch Series 10 offers robust health and fitness tracking, innovative safety features, and impressive durability, making it a solid choice for those seeking a comprehensive smartwatch experience.

The Apple Watch Series 10 stands out as a top-tier ECG smartwatch, particularly appealing to individuals who value health tracking and fitness capabilities. Its ECG functionality allows users to take heart readings at any time, making it a great tool for monitoring heart health. The watch also offers a variety of advanced health insights, including notifications for irregular heart rhythms and sleep tracking features, which can be essential for users wanting to maintain or improve their wellness.

Battery life is decent, providing up to 18 hours of normal use, but users seeking extended periods between charges may find its performance in low power mode, lasting up to 36 hours, a useful feature. The fast charging capability is a big plus, allowing for significant battery replenishment in just 30 minutes.

Compatibility with iPhones is seamless, which is a major consideration for users already integrated into the Apple ecosystem. The watch is also water-resistant up to 50 meters and certified dust resistant, enhancing its durability for active users. There are a few drawbacks. The reliance on the iPhone for full functionality limits its appeal to those who prefer or own Android devices, as it does not support them. While the display is impressive with higher brightness levels, some may find the watch face a bit overwhelming due to its extensive features. Moreover, the price point may be a concern for budget-conscious buyers, as premium features often come with a premium cost.

The Apple Watch Series 10 excels in health tracking, fitness features, and connectivity, making it an ideal choice for health-conscious individuals and fitness enthusiasts who are already within the Apple ecosystem. Those looking for a more budget-friendly or cross-platform option may want to explore alternatives.