10 Best Activity Tracker Ring 2026 in the United States

The Oura Ring 4 is a sleek and modern activity tracker designed in a ring shape that appeals to unisex adults. One of its standout features is the extended battery life, lasting up to 8 days, which is excellent for users who prefer not to charge their devices frequently. The ring includes comprehensive activity tracking capabilities, such as heart rate monitoring and sleep tracking, making it a versatile tool for fitness enthusiasts and those looking to improve their sleep quality.

Additionally, its water resistance feature ensures it can withstand daily activities, including washing hands or showering. The Oura Ring 4 is also compatible with Bluetooth, making it easy to sync with other devices for enhanced functionality. However, one notable drawback is the lack of GPS, which might be a limitation for those who rely on precise location tracking during their workouts. The ring's modern design and silver color make it a fashionable accessory, and the sizing kit helps ensure a proper fit.

The package includes the ring, charger, USB cable, information booklet, and quick start guide, providing everything needed to get started. The Oura Ring 4 is a strong contender for anyone seeking a stylish and functional activity tracker, particularly those who prioritize sleep and heart rate monitoring over GPS capabilities.

The Oura Ring Gen3 Horizon in Silver is a smart ring designed to track various health metrics discreetly and accurately. It offers a comprehensive set of features, including activity tracking, heart rate monitoring, sleep tracking, and stress monitoring. The unique selling point of this ring is its design; it uses the finger to provide highly accurate pulse readings, leveraging research-grade sensors to monitor over 20 biometrics.

The ring is lightweight and made of titanium, ensuring durability, comfort, and hypoallergenic properties, which make it suitable for all-day wear and various activities, including workouts and swimming due to its water resistance. With a battery life of 5-7 days, it reduces the need for frequent charging, enhancing convenience for users. Compatibility with both iOS and Android devices, along with integration with numerous health and fitness apps, broadens its usability across different platforms.

Potential users should note that Oura Ring sizes differ from standard ring sizes, necessitating the purchase of a sizing kit for accurate fitting. Additionally, while the first month of Oura Membership is free, there is a recurring monthly fee afterward for accessing all features. This might be a drawback for those who prefer not to have ongoing costs associated with their wearable devices. The Oura Ring Gen3 Horizon is an excellent choice for those looking for a stylish and accurate health tracker but be mindful of the membership fees and the necessity of the sizing kit.

The femometer Smart Ring Gen2 is a lightweight and slim activity tracker designed especially with women's health in mind. It features continuous heart rate and heart rate variability monitoring, paired with detailed sleep analysis covering deep, light, and REM stages. Its advanced basal body temperature (BBT) technology is a strong feature for cycle and fertility tracking, making it particularly useful for women looking to monitor their reproductive health.

Comfort and durability are well addressed with a premium ceramic and aluminum build, certified waterproof up to 100 meters, allowing for day and night wear without worry. The ring offers compatibility with both iOS and Android devices through Bluetooth and comes with a free lifetime subscription to the femometer app, which helps in syncing and analyzing your data seamlessly. Battery life is impressive, offering up to 35 days when paired with its charging case, providing extended usage between charges.

The ring does not have GPS functionality, so it may not suit those needing location-based activity tracking. It has an elegant and discreet design, weighing just over 3 grams, making it comfortable for 24/7 wear. It also comes with a sizing kit to ensure a good fit before purchase, which is thoughtful since fit is crucial for rings. This ring is a solid choice for those focusing on health monitoring, sleep insights, and fertility tracking rather than detailed sports tracking or navigation.