GoKawiilUltrahuman Ring Pro 3 / 5 Good pros and cons Pros Long battery life.
Charging case comes with the smart ring, free of charge.
Enough features to please the biohackers. Cons Chunkier and more expensive than the Oura Ring 5
Customers report shipping delays
Might be overkill for casual users. View now at Ultrahuman
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A few years ago, I couldn't differentiate between the Oura Ring 3 and the Ultrahuman Ring Air. Both smart rings both held a similar position in the wearables market -- industry newbies with a novel design and insights you couldn't get from smartwatches. Oura was the fan favorite, but Ultrahuman offered up a unique value proposition in its subscription-free business model without a paywall.
Also: The best smart rings of 2026: Expert tested
Two years later, the latest generations of both smart rings are vastly different. While Oura has ballooned in market share, selling more than 5.5 million smart rings since last September. Ultrahuman has spent a year catching up to its competitor, creating a new smart ring Oura can't claim infringed on its patents.
The result? The Ultrahuman Ring Pro, a good smart ring in theory. But in practice, it doesn't feel like the device Ultrahuman sought out to make. Alas, patent infringements tend to cause companies to change plans.
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