[This review was collected as part of a promotion.] I bought my ring a couple of months ago, based on personal recommendations and reading reviews. I tested the template rings first, which is a great idea to ensure you pick the correct size and also the colour you prefer. Set up is simple and I was able to use it straight away. I’ve found that the step count numbers vary quite a lot from both my Apple Health and Fitbit phone tracking apps and also my Garmin watch. The counts are significantly lower than all the others. This may be because it is more accurate but it was very surprising, given the others were all at similar levels. I don’t find some of the app metrics overly useful as yet, and feel like the sleep score could be part of the overall dynamic recovery measures. The jet lag measure just displays the same info most of the time too. The caffeine metric is one I have been using a lot and find value in this one, which is good. Also not having to pay a subscription is a big benefit. Overall, I’m glad I’ve tried it but do think there is room to improve on a number of factors, to take it to the next level.

[This review was collected as part of a promotion.] I’ve been using the Ultrahuman Ring AIR for the past few weeks, and I can confidently say it's one of the most impressive health wearables I’ve ever tried. 💤 Sleep Tracking: Unmatched Accuracy The sleep insights are incredibly detailed — not just light/deep/REM stages, but also sleep efficiency, HRV, resting heart rate, and temperature deviation. I finally understood why I felt tired some mornings even after 8 hours of sleep. ❤️ HRV & Recovery Monitoring The Ring gives me daily Recovery Scores, factoring in my HRV, temperature, and sleep quality. This has helped me optimize my workouts, knowing when to push hard and when to rest. I’ve never felt more in tune with my body. 🔥 Movement & Metabolic Scores Ultrahuman doesn’t just track steps — it gives a holistic view of how much I’m moving and how it impacts my metabolism. Combined with smart nudges, I’ve naturally improved my daily habits without feeling pressured. 📱 Beautiful, Intuitive App The Ultrahuman app is beautifully designed, easy to navigate, and filled with actionable insights. I’ve used other platforms like Oura and Whoop, but Ultrahuman feels more modern, practical, and motivating. 🪶 Comfort & Battery The Ring AIR is super light, I forget I’m wearing it — even when sleeping or working out. Battery life easily lasts 4-5 days, and charging is fast and hassle-free. Ultrahuman Ring isn’t just another fitness tracker. It’s a real-time feedback loop for your body, health, and lifestyle. Whether you're an athlete, a biohacker, or just someone who wants to optimize energy, sleep, and stress, this ring is a no-brainer. Highly recommended. 10/10.

[This review was collected as part of a promotion.] I’ve had the Ultrahuman ring for ~4 months and I really like it! I’ve never owned a smart watch or anything that tracks my fitness/sleep, and this ring is exactly what I was looking for. I love that I don’t have to pay a monthly subscription to access my data/insights. It is also pretty comfortable and I love the caffeine window feature as well.

[This review was collected as part of a promotion.] The ring AIR is lightweight and comfortable! I've had it for about a month so far. The data provided is very insightful, but I'm still working through understanding it and how I can change lifestyle to make improvements. I like that there's no subscription needed to access the data.

[This review was collected as part of a promotion.] Since purchasing Iv gotten constant updates and new features added, making this ring be more impactful. I highly recommend and have lost weight and gotten better sleep thanks to the ring guiding me to be more active and prioritize rest.

[This review was collected as part of a promotion.] Have been using the ring for more than a month now, and what blows me away the most is the accuracy of the insights. Sleep tracking is the feature I like and use the most, and the ring being very comfortable to wear to bed is what helps. There is no manual input needed post initial setup, just wear it and consume the insights. This is the best tech purchase I’d made in the last couple of years.

[This review was collected as part of a promotion.] I bought my Ultrahuman ring about five months ago, and it’s the best. I use it to count my steps and manage my sleep. It also helps me with my recommended sleep time, and when to start and stop drinking caffeine.

[This review was collected as part of a promotion.] I bought it 4 months ago and it’s amazing. It’s sleek look means I wear it throughout the day all day and get accurate readings without worrying about it. It’s comfortable to sleep with and goes unnoticed in my daily life.

[This review was collected as part of a promotion.] I am very happy with the app, the comfortably and easy usage of the ring. Also I like the ongoing improvements and additions. The only improvement I have is that once my ring was broken, it took quite a while to get an replacement because I had to do several firmware updates before it was agreed to get a replacement. The support was always super quick and helpful but this I found a bit dissapointing.

I’ve been using the Ultrahuman Ring AIR for a few months and really appreciate the exercise, sleep, and period tracking features. They’re accurate, insightful, and help me stay consistent with my health goals. However, I wish the battery lasted longer between charges, and the ring does get scratched up fairly easily. Despite these drawbacks, I still think it’s a solid choice for anyone looking for a comfortable and stylish way to track their fitness and overall well-being.