Smart rings are outgrowing smartwatches, and the numbers prove it
Smart rings out-shipped every other wearable category in growth terms in 2024, expanding 88% year over year, and the momentum has carried into 2026: the global smart ring market has roughly doubled from an estimated $500 million to over $1 billion in the past twelve months. Smartwatches, by contrast, have plateaued in most mature markets. The reason isn't a gimmick or a fad — it's that rings solved a problem watches never could: getting people to wear the sensor every single night.
That distinction matters more than it sounds. Sleep tracking only works if the device is comfortable enough to wear to bed, and a bulky watch with a charging cycle that competes with your sleep window is a bad fit for that job. A ring is small enough to forget about, which is precisely why it captures more consistent data than a device people take off before bed and forget to put back on.
Oura's lead, and why Samsung's entry mattered anyway
Oura still commands roughly 79% of the smart ring market as of Q1 2026, built on a five-year head start and a reputation for research-grade accuracy in tracking heart rate variability, body temperature trends, and blood oxygen. Its Oura Ring 5, released alongside a June 2026 feature update, added Health Radar — a proactive monitoring layer that includes blood pressure signals and nighttime breathing pattern detection, plus GLP-1 Insights that connect medication tracking (Ozempic, Wegovy, and similar drugs) to the platform's existing sleep and activity data.
Samsung's Galaxy Ring, launched in mid-2024 at $399, hasn't dented Oura's dominant share, but it did something more important for the category: it told the market that smart rings were not a niche wellness accessory but a mainstream product line worth a flagship investment from a company that also sells smartwatches. Samsung's decision to skip a mandatory subscription — contrasting directly with Oura's subscription-gated advanced analytics — created the first real pricing battle in the category, and it's one Samsung is well positioned to win given Galaxy Watch owners already inside its ecosystem.
What the ring form factor unlocks that a watch can't
Beyond comfort, rings have a structural advantage: finger arteries sit closer to the skin than wrist arteries, giving optical sensors a cleaner signal with less motion artifact. That's part of why Oura markets its pulse readings as "research-grade" — the finger genuinely is a better measurement site for continuous heart rate and blood oxygen than the wrist, independent of software quality.
Battery life follows from the same physics. A ring's tiny cell only needs to run a handful of sensors with no display, no speaker, and no cellular radio, which is how devices in this category routinely hit 5-8 days per charge versus 18-36 hours for a smartwatch running always-on health tracking. For users who found themselves not wearing a smartwatch overnight simply because it needed to charge, that difference alone changes adherence.
The subscription question is where this gets interesting
Oura's model — hardware plus a required monthly subscription for full feature access — has drawn consistent criticism since the company introduced it, and it's the single biggest opening for competitors. Samsung's no-subscription approach undercuts that objection directly, but Samsung Health's advanced analytics still lag Oura's in depth and clinical framing. The market's real fight in the next 18 months won't be about sensors — it'll be about whether users are willing to pay a monthly fee for daily health scores, or whether that data belongs bundled free with hardware they already bought.
Expect this to play out the way it did with fitness apps and streaming: a free tier that captures volume, and a paid tier that captures the users who actually change behavior based on the data. Given GLP-1 medication tracking is now a feature inside Oura's app, the more consequential trend to watch isn't ring-vs-watch — it's wearables becoming a genuine adjunct to medical weight-management programs, which is a much bigger addressable market than fitness tracking ever was.
What to actually do with this
If you're deciding between a smart ring and a smartwatch for health tracking specifically — not notifications, not apps, not payments — the ring is now the better tool for sleep and recovery metrics, full stop. If you want a no-subscription option, Galaxy Ring is the safer buy today; if you want the deepest analytics and don't mind $6-10/month, Oura remains the category leader. Watch the GLP-1 integration space over the next year: whichever ring maker builds the tightest loop between medication adherence and biometric tracking will likely pull ahead regardless of who currently leads on market share.