[This review was collected as part of a promotion.] I wrote this as my review: Love the app for the ring. I've gained good insights into what affects my sleep for better or worse. The insights from the ring are much, much more in depth than I initially thought before I bought the ring. I had learned that while my sleep was good, my "morning alertness" was a big cause of why I felt so tired, so I've made major changes to stop checking my phone first thing in the morning and get moving instead. I knocked off one star mostly for battery life -- wish it were better. Other than that, I've stopped wearing my fitness watch in favour of the ring for its small form factor and detailed tracking.

[This review was collected as part of a promotion.] My ring is comfortable and stylish - I've gotten a lot of compliments on it with people thinking that it is a fashion ring. It has provided very helpful insights for me from activity, sleep, to very accurate detection for menstrual cycle start. I would recommend to everyone.

[This review was collected as part of a promotion.] I received the Ultrahuman Ring as a birthday gift in May 2025 and have been using it ever since. I’m really enjoying it — the sleep tracking is quite accurate, and it’s become a regular part of my daily routine. Overall, I’m very happy with the device. The only downside is that the app sometimes lags when launching from idle, but it’s a minor issue compared to the overall functionality.

[This review was collected as part of a promotion.] The UltrHuman Ring is a sleek, comfortable wearable that delivers impressively accurate health tracking. From sleep quality to heart rate variability, it provides clear, actionable insights through an intuitive app. The long battery life and durable design make it perfect for everyday use. Since using it, I’ve noticed real improvements in my energy and wellness. If you want a smart, effortless way to optimize your health, the UltrHuman Ring is a game-changer!

[This review was collected as part of a promotion.] I love the battery life, it lasts at least five days, so it is always monitoring my sleep. I wanted a ring without a subscription, so this ring is great. I find the app confusing and hard to make sense of which makes me curious to try a different brand.

[This review was collected as part of a promotion.] I’ve been testing the Ultrahuman Ring Air, and it’s quickly becoming a valuable tool for monitoring recovery, sleep, and overall readiness. The design is sleek and comfortable, making it easy to wear around the clock without disrupting daily activity or training sessions. What stands out most is the depth of insight provided. HRV tracking, sleep stage analysis, and metabolic health markers are presented in a way that’s both actionable and easy to interpret. The seamless integration with Ultrahuman’s ecosystem adds another layer, allowing for a more holistic approach to athlete monitoring and personal performance optimization. For anyone serious about understanding their body’s response to stress, recovery, and training load, the Ultrahuman Ring Air offers a level of precision and usability that’s hard to match. I’m excited to continue exploring how this can support athletes at the elite level.

The Ultrahuman Ring Air stands out for its lightweight, comfortable design (It is barely noticeable), and super-long battery life. I love the Gold finish!! It monitors my sleep. I keep it in Turbo mode, which tracks the maximum amount of data, and still averages more than six days per charge.

[This review was collected as part of a promotion.] I’ve been using the Ultrahuman Ring for several weeks now, and I can confidently say it’s become an essential part of my health and fitness routine. What sets it apart for me is how seamlessly it tracks sleep, recovery, and overall readiness without being bulky or intrusive. I wear it 24/7, and often forget it’s even there. Sleep tracking has been especially impressive. The insights into my deep sleep, REM cycles, and HRV have helped me make meaningful changes to my bedtime routine. I’ve noticed that on nights where I prioritize wind-down, my ring reflects the quality improvement—and I feel it too. The daily recovery score is one of my favorite features. It helps me decide whether to push hard in the gym or take a lighter day. It’s like having a coach who reminds me to listen to my body without the guesswork. I’ve noticed better energy levels and fewer slumps since I started using the ring to guide my training intensity.

[This review was collected as part of a promotion.] I got my wife an Oura ring. She wanted me to have a smart ring too and I picked the Ultrahuman because I hoped it would help monitor for a-fib and also because I didn't need a monthly subscription. It seems to track sleep as well as the Oura and costs less, so that's a win. Unfortunately, the a-fib detection wasn't available in the US yet. The caffeine window feature is nice, reminding me when to stop drinking caffeine and to delay in the morning.

[This review was collected as part of a promotion.] I've had my Ultrahuman Ring Air for over a year, prob closer to two years and it's been great!!! I mean really great!!! Things I love..... The data is super helpful and really easy to interpret and make use of, thanks to how its displayed in the app. Personally I really like the sleep, recovery and movement index scores. Until recently it had a really reasonable battery life and lasted well with short charges when taking a shower so I could wear the ring while I sleep. However recently...... the battery hasn't been fully charging despite being left on the charger for hours it only reaches a max of 80% charge, so I'm constantly getting low battery warnings which is really disappointing. Also I wish I had got this ring in a bigger size for my index finger and in gold (however when I bought it these rings were really hard to get in the uk and the retailer didn't have the gold only the dark grey colour and only in this size so I settled & I wish I hadn't) I like the ring so much that I have been contemplating getting another however the recent charging issues have me reluctant to invest when I want a product that will continue to perform well for the long term. I hope the issues I've experienced are a one off and not reflective of all products in this range as other than this I cannot recommend the Ultrahuman Ring Air enough for those who are serious about improving their health based on real time data and easily interpretable metrix.