[This review was collected as part of a promotion.] The Ultrahuman Ring Air is an impressive concept with solid potential, but its accuracy varies depending on what you’re tracking. Here’s my experience: What It Gets Right: • Resting Heart Rate: Very close to my Apple Watch readings, which is reassuring. • Sleep Temperature: Reliable for tracking temperature shifts during the night. Where It Struggles: • Sleep Tracking: Sleep duration and stages feel inconsistent. I can wake multiple times in a night, yet the ring reports a full 7 hours. It’s better for spotting overall trends rather than precise sleep scoring. Other Highlights: • No Mandatory Subscription: A big plus compared to many competitors. There’s a fee for deeper insights, but core data is accessible without ongoing costs. • App Insights: The guidance on recovery and health trends is practical and helpful. • Comfort: Lightweight and comfortable; I hardly notice I’m wearing it. Bottom Line: This ring is a great tool for trend tracking and recovery insights, especially if you want a screen-free experience without a subscription. Just know it’s not perfect yet for detailed sleep or workout tracking. The good news? The company is actively improving the product, so accuracy may get better over time.

[This review was collected as part of a promotion.] The Ultrahuman Ring Air offers excellent health and fitness tracking as well as accurate sleep monitoring. It is compatible with a variety of devices and stands out for being a lightweight, comfortable ring. Overall, its accuracy is impressive and the system is very user-friendly

[This review was collected as part of a promotion.] Bought this mainly for sleep tracking as hate Apple Watch in bed. The ring is light reliable and get 5-6 battery without worrying about it. On top of that I really like the app and the insight it provides on top of sleep tracking, If your on the fence about purchasing I would go ahead and do it

[This review was collected as part of a promotion.] I’ve had the Ultrahuman ring for about a month though and I’m liking it overall. It has been great for tracking my sleep and I haven’t had any battery issues. The app has a lot of data which is great, but my one complaint is that it is a little bit overwhelming and hard to navigate.

[This review was collected as part of a promotion.] I bought my ring 4 months ago and I have mixed feelings. I love how light and sleek it is. I get compliments on the look of it all the time. I prefer it over wearing a watch. I love the sleep insights and all the data it collects. However, my one con is that the battery life is terrible. It took a while for the ring to calibrate to a place where the battery lasted a few days on a full charge but now after 4 months post-purchase I had to get a replacement because the battery dies within hours after a full charge. For the price, I would hope the item would last way longer.

[This review was collected as part of a promotion.] I have bought this ring because I didn’t want to pay Oura subscription. I have a quite mixed feelings. On one hand I haven’t experienced any problems with battery, pairing or any quality issues. On the other hand the data received from the UltraHuman is way different than from my Apple Watch or Whoop. Also, Czech translation is utter garbage. It seems it was made through Google Translate so it sometimes completely misses the point or even means something different. But they can still fix everything and they are trying.

[This review was collected as part of a promotion.] I really like the ring, it comes with several reports and great insights on cardiovascular status and brain health. The fertility/ovulation tracker is interesting and why I got this product, but I wish it could be developed further and become a central part of the app instead of just a plugin. There's another plugin on caffeine consumption window, which is interesting but not necessarily accurate. For instance, I know I am a fast metabolizer, can drink coffee or energy drinks just before bed, but the ring is not capturing that. Otherwise I am looking forward to the updates!

[This review was collected as part of a promotion.] I find the ring such a helpful tool to keep track of my sleep and encourage me to look after myself. It helps me focus on my sleep and my self care generally. Gently reminding me when to move more or lay off the caffeine. The main thing it has helped me with is getting sunlight first thing in the morning to help regulate my circadian rhythm. I feel more in control of my habits as I can check in with the app anytime to see what my body is dealing with.

[This review was collected as part of a promotion.] I love the ultrahuman AIR ring! I hate having screens around me so a smart watch was out of the question. After a lot of research I settled on the AIR ring because there is no monthly subscription. I love all of the insight this piece of technology gives me! Sleep, heartrate, and cycle tracking! It has even predicted when im getting sick. The only reason this is not a five star review is because the battery life is not what is advertised. If you want it to last longer than a few days you have to sacrifice tracking.

[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.