10 Best Fitness Tracker Smart Watches 2025 in the United States

The Apple Watch Series 10 stands out with its larger display and sleek design, making it comfortable to wear. It excels in heart rate monitoring with ECG capabilities and offers detailed sleep tracking, including alerts for sleep apnea. The built-in GPS is reliable for tracking your outdoor activities, and the water resistance up to 50 meters makes it suitable for swimming and other water sports. Additionally, the always-on Retina display ensures you can easily view your stats at any time, even in bright sunlight.

The 18-hour battery life may require frequent charging if used extensively throughout the day, though quick charging can provide 80% in just 30 minutes. Compatibility is limited to users with iPhones, which may be a drawback for those with other smartphone brands. The cellular connectivity feature adds convenience by allowing calls and texts without needing your phone nearby, but requires a cellular service plan.

The watch offers a premium fitness tracking experience and robust safety features like fall detection, its higher price point and dependence on the Apple ecosystem may not appeal to all users. The customization options for bands and watch faces add a personal touch, and the device’s durability, including dust resistance and crack-resistant glass, ensures it can withstand various activities. The watch is also environmentally conscious, being carbon neutral when paired with select bands.

The Apple Watch Series 10 (GPS, 46mm) is a strong choice if you're looking for a fitness tracker smartwatch that blends health insights with smart features. It offers precise heart rate monitoring, including ECG capabilities and alerts for unusual heart rhythms, which is excellent for people who want detailed heart health data. The built-in GPS is reliable for tracking outdoor activities like running, cycling, and swimming, and it includes extra sensors for water temperature and depth, making it suitable for swimming and other aquatic workouts.

Battery life is decent for everyday use, lasting about 18 hours, which means you’ll likely need to charge it daily, but the fast charging feature is helpful if you’re in a hurry. Its water resistance up to 50 meters and dust resistance make it durable for active lifestyles. The always-on Retina display is bright and large, providing clear visibility even outdoors, which many users will appreciate. Sleep tracking includes detection of sleep stages and signs of sleep apnea, offering useful wellness data beyond basic activity tracking. Compatibility is limited to iPhone XS or newer with iOS 18+, so it won’t work with Android devices or older iPhones, which is important to consider if you don’t use Apple products.

The watch also stands out with safety features like fall and crash detection, making it not just a fitness tracker but a helpful companion for emergencies. The 18-hour battery life means it’s not the best option if you want multi-day use without charging. Additionally, this model is on the pricier side, which might not fit all budgets, and it is designed primarily for Apple users, so compatibility with other phones is very limited. If you have an iPhone and want a comprehensive device that tracks your fitness accurately while offering advanced health and safety features, the Apple Watch Series 10 is a compelling pick. Its high-quality display, robust activity tracking, and smart connectivity features make it more than just a fitness tracker—it’s a versatile smartwatch for an active lifestyle.

The Apple Watch Series 11 is a strong choice if you're looking for a fitness tracker that offers comprehensive health and activity monitoring. It provides accurate heart rate tracking, advanced ECG and blood oxygen measurements, and alerts for conditions like hypertension and sleep apnea, making it useful beyond simple fitness. The built-in GPS and extensive workout metrics help you track outdoor activities effectively. It also has a sleep score feature to help improve your rest.

The watch is designed to be comfortable and durable, with a lightweight aluminum case, a highly scratch-resistant screen, and water resistance up to 50 meters, so you can wear it swimming or in the rain without worrying. Battery life lasts about 24 hours with regular use, enough to get through a full day and track your sleep, and it supports quick charging to top up fast when needed. Its display is bright and always on, so you can easily see stats during workouts or daily tasks.

The watch integrates well with your iPhone, allowing calls, messages, music control, and Siri voice commands right from your wrist. It requires daily charging like many smartwatches if you want to use it continuously, including sleep tracking. Many of the advanced health alerts function best when paired with an iPhone and may require familiarity with Apple’s ecosystem to fully utilize. For those wanting a rugged, feature-rich fitness smartwatch with strong health monitoring and seamless iPhone integration, the Series 11 is a suitable option, while it may be less ideal for users preferring simpler trackers or using Android devices.