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Smart rings are in the middle of a resurgence. That means a lot of experimental ideas and newcomer tech brands you’ve probably never heard of. Enough competitors have cropped up that I spent the better part of last summer rocking six rings like a high-tech mafia don. While these aren’t necessarily bad products (some are pretty good), many aren’t as polished as what you’d see in more mature categories like smartwatches, headphones, and smartphones.

Speaking of which, there are a few things to know about the category. Currently, these devices are primarily health trackers. Their benefit is they’re more discreet and are better suited to sleep tracking than a smartwatch. However, the vast majority don’t include smart alarms or push notifications. This makes them best suited to casual athletes or more wellness-minded people. Hardcore athletes would be better served in most cases by a smartwatch or fitness tracker, with a smart ring as a supplementary source of data. (But that’s quite an expensive endeavor.) Smart rings are also ill-suited for weightlifters, as they can easily scratch against equipment.

With that in mind, here’s the best smart ring for most people in 2025 — and a handful of runners-up worth highlighting for the more tech-adventurous.

I can already hear some of you shouting, “But what about the subscription!” And I agree. Even Oura’s relatively affordable $6 monthly fee can feel more like $100 when you consider the sheer number of apps, gadgets, and services asking for a chunk of your monthly paycheck. However, Oura is still the best in terms of hardware, size range, features offered, app, dedication to research, and experience in the field. Many of the smart rings available today follow the example Oura set this past decade.

The upgrades from the Oura Ring Gen 3 to the Oura Ring 4 were mostly software-based, with minor hardware refinements. You can read more in my review, but the gist is a more accurate heart rate and blood oxygen algorithm, improved automatic activity detection, and an expanded range that spans size 4 to 15. The app has been redesigned to be less cluttered, and in the last few weeks, Oura also officially launched an AI chatbot. (Of the AI chatbots in health trackers I’ve tested, this one is among the more polished implementations, though it often feels like Captain Obvious-level insights.)

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Image: Cath Virginia / The Verge

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