[This review was collected as part of a promotion.] I have enjoyed using the Ultrahuman ring. The sleep tracking works well. I like that they continue to add functionality and improved the battery life with new modes. I wish I could use this to track my heart rate when I exercise but does not seem to be able to capture that accurately. Lastly tends to accumulate a fair amount of scratches that don’t seem to heal as advertised. Love that there are no subscription fees.

[This review was collected as part of a promotion.] I bought the ring back in May on a whim and now I am OBSESSED! I love to use it to track my sleep and learning overall how to have a better night of sleep. It is so light and holds a charge well! I only have to charge my ring every 3-4 days!

[This review was collected as part of a promotion.] Ultrahuman Ring is great. It nicely complements my portfolio of smartwatches with other useful data. It is nicely made, has good battery life and is comfortable to wear. As a tester of smart devices, however, one thing is not going through my head. The HRV value. Although it is within the norm according to the application, it absolutely does not correspond to the values from my watch. And I am testing two models at once, where the HRV almost matches, while the ring shows completely different values. So somehow I can't figure out what algorithm it works on. The same goes for the accuracy of the heart rate sensor, which also needs to be fine-tuned. There is also a small but unpleasant error in the translation of the application. As a Czech, I prefer the Czech language, and the translation is very basic, so some translations in the final do not make much sense. Otherwise, I am satisfied with the product.

[This review was collected as part of a promotion.] Overall a great product, the app is awesome, user friendly. The readings are helping me to work on maintaining a healthy lifestyle. The only slight issue I have is the battery life, i wish it was a bit longer. But overall, a great product that I have recommended to many of my friends.

[This review was collected as part of a promotion.] I purchased the ring in November 2024 and received it in December. Since then, I’ve worn it continuously while taking great care to avoid exposure to harsh products, including removing it for showers and workouts. Despite this, I’m surprised by how much the gold color has faded and the usage is seen - with 8 months of usage it’s more than I expected. That said, I really love the product overall and appreciate the valuable insights it provides, along with the regular updates and new features.

[This review was collected as part of a promotion.] I've been using the Ultrahuman Ring Air for a while now, and it's become a really useful part of my daily routine. One of the standout features for me is how it tracks and helps me understand my sleep. I get detailed insights each morning—not just how long I slept, but how restful it was, my recovery levels, and what might be affecting it. Another feature I really like is the caffeine window. Based on my sleep data, it recommends the best times to avoid caffeine, which has actually helped me feel more rested and alert during the day. The ring also sends nudges throughout the day, reminding me to move when I've been sitting too long or encouraging me to hit my movement goals. It’s subtle, but effective in keeping me more active. Overall, the Ultrahuman Ring Air is lightweight, comfortable to wear all day, and packs a lot of smart features that support better health habits without being overwhelming.

[This review was collected as part of a promotion.] The Ultrahuman Ring has significantly impacted my understanding and management of my health, particularly by highlighting the critical role of sleep, sun exposure, and early morning routines. Initially, I underestimated the profound effect of consistent, quality sleep on my overall well-being. The Ultrahuman Ring, through its detailed sleep tracking, has provided invaluable insights into my sleep cycles, including REM, deep, and light sleep phases, as well as my sleep efficiency and latency. By presenting this data in an accessible format, I've been able to identify patterns and external factors that either enhance or disrupt my sleep. For instance, I've learned that late-night meals or screen time severely impact my deep sleep, leading to reduced energy and focus the following day. This awareness has motivated me to prioritize a consistent sleep schedule, create a more conducive sleep environment, and adopt relaxing pre-sleep rituals. The result has been a noticeable improvement in my energy levels, mood stability, and cognitive function throughout the day. Beyond sleep, the Ultrahuman Ring has also shed light on the importance of sun exposure and early morning habits. Its ability to track activity and, indirectly, my exposure to natural light, has made me more conscious of getting outdoors early in the day. I've observed a direct correlation between early morning sun exposure and improved sleep quality at night, likely due to its role in regulating my circadian rhythm. The ring's data has subtly nudged me towards incorporating morning walks or simply spending time outside shortly after waking. This seemingly small change has had a ripple effect, leading to increased morning alertness, better mood regulation, and a more robust daily routine. In essence, the Ultrahuman Ring has transformed from a simple wearable device into a powerful tool for self-discovery and health optimization. It has empowered me with actionable data, fostering a deeper understanding of my body's needs and the intricate connections between sleep, light, and daily habits. This newfound awareness has not only motivated me to make healthier choices but has also provided the objective feedback necessary to track my progress and continuously refine my approach to well-being.

[This review was collected as part of a promotion.] This is one of the best purchases I’ve ever made. I really love the ring — it looks great, feels great, and works reliably. What I value most is that the Ultrahuman Ring does not require a subscription. That was a dealbreaker for me — I didn’t even consider rings like Oura. I’m happy to pay significantly more (even 30% more) for a device if it offers strong baseline functionality with no recurring fees. Please never move core features behind a paywall — that would be a reason for me to stop using it. I’m strongly against subscription models as the only entry point. I’m fine with paying for optional add-ons — that model makes sense and I’m even considering a few. One small improvement I’d love: slightly longer battery life, maybe +1–2 days. Otherwise, amazing product.

[This review was collected as part of a promotion.] I have been a customer since Ring R1 for the ease of use for health tracking (especially sleep), and when they launched the Ring Air it just got even better with all the useful functionalities in an even smaller form factor. Just crazy how tech has evolved.

[This review was collected as part of a promotion.] I’m thoroughly impressed with the Ultrahuman Ring AIR. The build quality feels premium — lightweight, comfortable to wear, and beautifully designed. What stands out the most is the accuracy of its health tracking. From heart rate and HRV to sleep and daily activity metrics, the ring provides consistently reliable data that helps me better understand my body and lifestyle. The app integration is also seamless, offering clear insights and helpful suggestions without being overwhelming. Battery life is great, and charging is quick and hassle-free. One word: Impressive. This ring has become an essential part of my wellness journey.