ULTRAHUMANRing AIR – Sleep and Fitness Tracker, Smart Ring for Men and Women, No app fee for standard features, Up to 6 days battery life (Matte Grey, 9)

⭐️⭐️⭐️⭐️⭐️ Game-Changing for Biohackers, Fitness, and Recovery!I’ve used nearly every fitness wearable out there, but the Ultrahuman Ring AIR is hands-down the best for anyone serious about tracking health, recovery, and performance.What sets this ring apart is the depth and clarity of its data. It gives me real-time feedback on HRV, sleep quality, skin temperature, and activity in a way that’s actually actionable. Since wearing the ring, I’ve learned exactly how my lifestyle (from hiking and strength training to my daily walks and even supplement timing!) affects my sleep and recovery.The sleep tracking is next-level. The ring doesn’t just tell me how long I slept—it breaks down deep, REM, light sleep, restlessness, temperature changes, and even my body’s recovery rhythm. I was shocked at how accurately it picked up on changes after a heavy workout or even a late night out, and it’s helped me dial in everything from caffeine timing to my bedtime routine. Since using the ring, my sleep scores have improved, and I wake up genuinely refreshed.I love how seamlessly the ring fits into my daily life—it’s light, comfortable, and doesn’t need constant charging. The app is user-friendly, visually stunning, and gives personalized recommendations I actually want to follow.What really sold me is how the Ultrahuman ecosystem ties everything together. It’s not just about steps or calories—it’s about truly understanding your body’s readiness, recovery, and how to push for better results without burning out. It’s helped me break a fat-loss plateau, optimize my training, and finally get those deep, restorative sleep cycles that every biohacker dreams of.If you want to level up your health, perform at your best, and unlock a new level of self-awareness, the Ultrahuman Ring is a must-have. I’m obsessed—and I can’t wait to keep smashing my goals with it. Sleep mask or not, this ring has already improved my life. Highly recommended!

Loving the Ultrahuman AIR ring. Good battery life (3-4 days depending on your activity) and very functional app which gives you all the details (sleep, stress monitor, steps, HRV and skin temperature, etc.) you will look for in a smart ring.Really like the caffeine window power plug in the app along with the stress rhythm view. Great product and would highly commend to anyone looking for a smart ring. The no-subscription model makes this an even better proposition than the Oura ring.

Occasionally synced with Strava then stopped, doesn’t sync with Garmin and very poor response to resolve. It appears to monitor sleep but that’s about it. Not what I expected.UPDATE. I’ve now been told (by the help line) Ultrahuman does not sync with Strava. Very poor experience so far.

SO FAR SO GOOD STILL GETTING USED TO THE APP. IT HAS A LOT OF INFORMATION AND APPEARS TO TRACK MY IWATCH VERY CLOSELY. ALTHOUGH NOT CHEAP IT IS AS GOOD AS ANY OTHER RINGS ON THE MARKET BUT WITH NO SUBSCRIPTION. GETTING THE SIZING KIT WAS A MUST AND I FOLLOWED THE ADVICE OF WEARING DIFFERENT SIZES ON DIFFERENT FINGERS BEFORE I CHOSE MY RIGHT HAND RING FINGER. UNFORTUNATELY THE STATED BATTERY LIFE OF 4-6 DAYS IS UNOBTAINABLE, I’M LUCKY IF I GET 3.5 DAYS IN BETWEEN CHARGES, HENCE 4 STARS BUT STILL PLEASED WITH MY RAW TITANIUM CHOICE.

It's thinner than the Oura, has no subscription, provides basically the same data, AND is actively being updated. They are constantly bringing new things to the app, improving the look, settings etc. I wish I was blessed with thin fingers but I have not been, and after trying two other rings, I just felt like they were just enhancing how my fingers looked! Ultrahuman actually looks like a normal ring, it's just that little bit thinner, so it's been fantastic for me.It takes a while to calibrate, which would be the same with any of the smart rings, and absolutely sometimes tracks incorrect information - but I have an Apple Watch, Whoop and an old Oura ring, and they all do the same thing. If i'm watching TV for hours it thinks i've had a nap - which is clearly down to my laziness, not their tracking!Honestly, I think it's great, came in about 14 hours, and the company is suddenly getting VERY popular, so I think there is probably a mad dash internally to increase production and customer support. They've been great to me so far.

Definitely worth sizing before you buy really loved this ring. Gave great insight. It’s going to be really useful when they can find a way to extend battery life to a few weeks. I don’t want to have another thing to charge every 3 days. I will buy it again when they work that out. It was so good and really comfy. It just didn’t work for my lifestyle to have a thing to keep charging. Of all the rings on the market, this is deffo the best one in all other aspects.