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[This review was collected as part of a promotion.] Extraordinary and stylish looking ring with lots of metrics to analyse our sleep schedule and heart rate, BP, caffeine window and movements and I feels it's very accurate and effective also it's very comfortable to wear and looks stunning and long lasting quality and water resistant overall a great product will recommend this definitely and a great value for the money.

[This review was collected as part of a promotion.] Ive been wearing this ring the Ultrahuman Ring Air, for a bit now, and here’s the lowdown. First off, it’s light. Like, you forget it’s even on your finger. Nothing chunky, no weird bumps digging into your skin. Just smooth, sleek, and kind of cool looking. I went with the aster black finish, and it hasn’t scratched up yet, which is a win.

Setup was easy. You get a sizing kit first (definitely use it), and once it’s on, it starts tracking everything, heart rate, sleep, movement, even skin temp. It’s like having a tiny health nerd on your finger.

The app is a bit much. It throws terms at you like “permissible caffeine window” and breaks down your sleep like it’s decoding the Matrix. But the data seems solid, and it doesn’t make you pay a subscription fee, which is rare these days.

Charging takes a while, so don’t forget to plug it in before bed if it’s low.

If you want a smart ring that’s comfy, stylish, and packed with health info (without monthly fees), the Ultrahuman Ring Air is a solid pick. Just be ready for an app that talks like it’s training you for the Olympics.

[This review was collected as part of a promotion.] Wow. What a piece of technology. Really comfortable to wear, solid and looks like an expensive ring. Tracks my steps, stress heart rate and calories.

[This review was collected as part of a promotion.] Lovely sleek design. The idea of measuring your ring first makes the experience even better and the ring fits perfect. Looks amazing and made with very good material. Very comfortable on my finger and feels like its not even there whilst it does it work in the background. Measurements are very detailed and easy to read and understand. Using this ring I am understanding my body better now and things to do to improve it.

Brilliant

[This review was collected as part of a promotion.] Love this ring it’s very accurate in regards to health and fitness stats. Compared to a few other of my fitness gadgets and it fairs up well. I would say though it did arrive with some scratches and can feel a bit bulky at times especially at the gym.

Would recommend

[This review was collected as part of a promotion.] The Ultrahuman Ring Air impressed me with its ergonomics – it’s very light, comfortable, and safe to wear all day, even while sleeping. Performance is solid, with accurate tracking of sleep, recovery, stress, steps, and calories. The build feels durable despite its slim design, and the battery life is reliable. It also integrates smoothly with the app, making it highly compatible and easy to use daily.

[This review was collected as part of a promotion.] Firstly, they send you a really handy sizing kit to ensure you order the correct size ring for your finger.

I usually find jewellery uncomfortable to wear but I’ve had no issues with the Ultrahuman Ring AIR. I’ve worn this every day for the last 2 weeks and I absolutely love it. I wear it all day and all night to get the most of out the ring so it can collect as much data as possible. I used it on the “turbo mode” which claims to use “significantly higher battery”, however despite this I have only had to charge it twice over the whole duration so the battery life is fantastic… It also charges really quickly.

Using the Ultrahuman app to view the data it provides really useful information such as sleep analysis, temperature deviation, restorative sleep, steps, active hours, resting heart rate and heart rate variation, (plus loads more, too much to list).

It also provides lots of useful information and tips on how to improve your health based on the data it has collected. Some data is locked such as the blood age data which isn’t yet available in the UK.

The data does deviate from my Apple Watch Ultra 2. For example my watch may say I’ve done 20,000 steps but the ring will only say 12,000 and my watch may say my heart rate is 160bpm (while working out) and the ring will say 130bpm.

There’s only one thing I wasn’t a fan of and that is the app. The app just throws all the information on one page with links to view the data. I wish it was categorised easier and clearer as you get lost in the data.

Overall I would definitely recommend the ring.

[This review was collected as part of a promotion.] The Ultrahuman Ring AIR is an impressive blend of advanced health tracking and sleek design. From the moment you receive the sizing kit, the experience feels thoughtful and seamless, ensuring you get the perfect fit and style that matches your personality.

This ring goes far beyond step counts. It tracks sleep, activity, stress, heart health, workouts, and recovery with remarkable detail. The insights are easy to understand and actually useful for making lifestyle changes. Whether you’re focused on improving athletic performance or simply staying healthier day-to-day, the Ultrahuman Ring AIR delivers results.

Unlike bulky smartwatches or fitness bands, the Ultrahuman Ring AIR is lightweight and comfortable enough to wear all day and night. It doesn’t interfere with workouts, typing, or sleep, making it a truly effortless health companion.

The sensors inside the ring provide highly reliable data, giving confidence in metrics like heart rate, sleep quality, and recovery. The ring consistently aligns with other high end wearables, often with more convenience since it sits unobtrusively on your finger.

Built with premium materials, the Ultrahuman Ring AIR feels solid and well crafted. It’s resistant to daily wear and tear, sweat, and accidental bumps, which means it can keep up with both an active lifestyle and everyday use without losing performance.

One of the best features is how minimal and portable it is. Unlike other devices that need charging cradles and straps, this ring slips onto your finger and blends seamlessly into your life. You’ll barely notice it’s there,yet it’s continuously working to give you deep insights into your health.

The Ultrahuman Ring AIR strikes the perfect balance between technology, comfort, and style. It’s an effective, accurate, and durable health tracker that’s so comfortable and portable, you’ll forget you’re wearing it, until you see how much better it helps you optimize your performance and well-being.

[This review was collected as part of a promotion.] Absolutely gorgeous ring.

I never thought that a smart ring will have such an effectiveness. Portability and comfort is absolutely amazing. Accuracy unbelievable and must say that the durability is very good, you don’t have to charge the ring every day.

Absolutely loving it and recommend, the information provided can give you the information that you probably never paid attention to but it is very important to know and follow.

[This review was collected as part of a promotion.] I've been testing the Ultrahuman Ring Air for 10 days. While it has impressive features, it doesn't meet all my expectations. The ring arrived quickly, less than a week after confirming my size with the handy sizing kit. It’s lightweight and water-resistant, so I can wear it during workouts and while washing my hands.

The accompanying app offers a wealth of tracking options, including sleep patterns, skin temperature, vitamin D exposure, social jetlag, circadian alignment, caffeine window, shift work, and even pregnancy and ovulation cycles, though the last two features aren't relevant for me.

However, I've found a couple of drawbacks. Firstly, the battery life is disappointing; I have to recharge it every 4-5 days, even when using the energy-saving chill mode. Secondly, the accuracy of the measurements could be improved. For instance, it often misinterpret my 30-minute email checks in the middle of the nights as lighter sleep, which was quite funny.

Overall, I’d give it 3 out of 5 stars. The Ultrahuman Ring Air has potential, but it needs to refine its battery life and accuracy to truly shine.

[This review was collected as part of a promotion.] I’ve had my ring for almost a year now and I love it. Tracks everything without the need for monthly subscriptions. Ring is very aesthetically pleasing and not bulky.

[This review was collected as part of a promotion.] Love all the features, HR and Sleep Tracker is Great, intergation to my fitness apps also work great.

Only thing is i wish i got 1 size smaller

I bought this to keep track of my sleep patterns and workouts and am loving it!

i love the ultrahuman ring. sadly i have only had it for a few months and am experiencing issues with my ring connecting to bluetooth. i have had to go days without data due to it not connecting:( besides this… i have enjoyed my experience. i love the layout of the app and i love the insights i get into my sleep and recovery.

[This review was collected as part of a promotion.] I have had the ring for a month now. My primary reason was for sleep tracking and that has met all expectations. The additional trends and other metrics are all a wonderful bonus and help me to manage my own energy. I find it motivating to know where to improve without it being negative. It gives me tools to know how to respond to changes in life.

[This review was collected as part of a promotion.] I’ve been using the Ultrahuman Ring Air for a while now and overall, I’m really impressed. The ring is extremely lightweight, making it very comfortable to wear all day and even during workouts. I also appreciate its durability – it feels solid and well-made. The only downside for me is the battery life, which I wish lasted a bit longer. That said, it’s still a great product

[This review was collected as part of a promotion.] I am so happy to have this ring. The complete insight it provides into sleep details has been incredibly helpful and has allowed me to improve my sleep quality. The app interface is also very user-friendly, and all the data and details it provides are extremely helpful.

While I am very satisfied with the core functionality, I have a few suggestions that I believe would make the experience even better. I would love to see a more proper step count feature, as well as the addition of GPS data to accurately record the location of my activities. An NFC function would also be a great addition.

[This review was collected as part of a promotion.] I bought the ring several months ago and really love all the biometrics that are measured for free.

[This review was collected as part of a promotion.] I’ve been using the Ultrahuman Ring AIR for a few months now, and I’m really impressed with how accurate and insightful the data is. It tracks my sleep, recovery, and activity seamlessly without ever feeling bulky. The design is sleek and comfortable—I hardly notice I’m wearing it. The app is easy to use and gives me clear, actionable insights that actually help me improve my daily routines. Battery life is great too, and it charges quickly. Overall, this ring has exceeded my expectations and has become an essential part of my wellness journey.

Sleep features are good but the activity tracking and calorie burn estimates are not good. The calorie burn on your app barely covers my baseline metabolism and my activity burns almost twice that. Also, I thought the ring would be able to tell me when I’m possibly sick and it has missed that twice.

[This review was collected as part of a promotion.] Overall seems really good, continous improvements are coming along nicely and the battery life in chill mode is insanely long!

[This review was collected as part of a promotion.] I bought the ultrahuman ring a little over four months ago, and was impressed with how well the ring has held up. I appreciate the insights it can provide, as well as the sturdiness of the ring.

[This review was collected as part of a promotion.] I have had this ring for about 2 months and absolutely love it. It has all the tracking I wanted without the subscription and much cheaper than other rings on the market

[This review was collected as part of a promotion.] I bought this ring May 2025 and had the ring for about 3 months until the ring stopped holding battery. The battery would last less than 24 hours in the battery saving mode when it was supposed to last 4-6 days. When I contacted support about it they were very helpful and eventually sent me a completely new ring - hopefully this one lasts. Besides that I have really enjoyed the ring especially the circadian phase tracking. I use the ring as contraceptive so I hope they come out with more features to support that tracking!