10 Best Smart Rings 2025 in the United States

The Oura Ring 4 is a sleek and modern smart ring, designed primarily for health tracking, and offers several appealing features for users interested in monitoring their wellness. One of its standout strengths is its impressive battery life, lasting up to 8 days on a single charge. This means you won’t have to worry about recharging it frequently, making it convenient for daily wear.

In terms of health tracking capabilities, the Oura Ring 4 excels with features like heart rate monitoring and sleep tracking, which can be incredibly beneficial for those looking to improve their fitness and overall health. Its compatibility with Bluetooth allows it to connect easily to smartphones, enabling users to view their health data seamlessly through the associated app.

The design of the ring is another plus; it features a modern aesthetic that appeals to both men and women and is generally comfortable to wear throughout the day and night. Its water resistance adds to its durability, making it suitable for everyday activities. However, there are a few drawbacks to consider. Firstly, the lack of GPS means that it may not satisfy users who want to track outdoor activities more precisely. Also, while it has solid health tracking features, some users might find the data less detailed compared to larger fitness trackers or smartwatches. Additionally, the price point could be a concern for budget-conscious consumers, as it may not be the most affordable option in the market.

The Milavan Smart Health Ring is a slim, stylish fitness tracker designed for both men and women who want continuous health monitoring without the bulk of a wristband. It measures heart rate, blood oxygen, and blood pressure automatically every 30 minutes, providing detailed health insights throughout the day. The ring also tracks sleep stages, including deep and light sleep, helping you understand your rest quality. With 8 sports modes like running, cycling, and yoga, it covers a variety of activities, capturing steps, calories, distance, and heart rate during workouts.

The ring is compatible with both iPhone and Android devices, making it widely usable. It lasts 3 to 5 days on a quick 1-2 hour charge, which is decent for a device this small. The IP68 waterproof rating means it can handle sweat and rain, though it's best not to submerge it for long periods. In terms of comfort, the ring is very thin (just 2mm) and polished inside, which suits most fingers and sports activities. However, sizing is important, so measuring your finger before buying is recommended to avoid fit issues. The device also offers extras like remote photo control via the app and a care mode to share health data with family or friends.

The battery capacity is quite small, so heavy use might require more frequent charging. While it provides comprehensive health data, it relies on your smartphone’s GPS for tracking routes, meaning it depends on your phone during outdoor activities. The smart ring does not require a subscription fee, which is a benefit compared to some competitors. This ring suits fitness enthusiasts and health-conscious users who want a discreet, multipurpose tracker with solid health features and decent battery life, but it may be less suitable for those who prefer a device with built-in GPS or longer battery endurance.

The RingConn Gen 2 is a smart ring designed for people who want detailed health tracking in a small, comfortable device. It stands out by offering sleep apnea monitoring, a rare feature in smart rings, which provides real-time data and personalized insights to help manage sleep health. The ring tracks not only sleep but also stress, heart rate, women’s health, activity, and blood oxygen levels.

It works with both Android and iOS devices and does not require a subscription, meaning you get full access to its features without ongoing fees. Battery life is strong, lasting between 10 to 12 days depending on ring size, with a smart charging case that extends use up to 150 days on standby. The ultra-thin, lightweight design makes it comfortable for all-day wear, and the ring is waterproof up to 100 meters, suitable for swimming and workouts. One unique convenience is the sizing kit, which helps you pick the right fit before buying, reducing the chances of returns. It’s also HSA/FSA eligible, which may help with purchasing costs.

The ring does not have GPS, which may be a drawback for users wanting location-based tracking. Some users might find the sizing process a bit unusual since it uses its own sizing system. The product's battery capacity and storage are modest, so it relies on Bluetooth and cloud support for advanced features. This smart ring is suited for those focused on sleep and health monitoring who want a hassle-free, wearable device that stays on comfortably all day and night.