Are Smart Rings Worth Buying?
No screen, no notifications, days of battery life — smart rings trade features for discretion. Whether that trade makes sense depends entirely on what you actually want tracked.
What a smart ring actually does
Smart rings focus on passive health tracking — sleep stages, resting heart rate, sometimes blood oxygen and skin temperature — without a screen or buttons. Because there's no display to power, battery life typically stretches to several days rather than the one-to-two days common on a smartwatch.
Smart ring
Best for sleep tracking specifically — a watch on your wrist overnight is uncomfortable for a lot of people, while a ring disappears. Also more discreet day-to-day, and generally more comfortable for anyone who dislikes wearing a watch at all.
Smartwatch
Wins on functionality: notifications, apps, contactless payment, GPS for tracking runs without your phone, and a screen to actually check anything in the moment. If you want more than passive tracking, a watch still does more.
What to check before buying
- Sizing: unlike a watch, rings need the correct size — most brands ship a sizing kit before you order the real ring. Get this wrong and comfort and sensor accuracy both suffer.
- Subscription requirements: some smart ring brands lock deeper insights and trend data behind a monthly subscription — check whether the core metrics you actually want are free or gated before buying.
- App quality: since there's no screen, the entire experience lives in the companion app — read recent reviews specifically about the app, not just the hardware.
Comparing wearables?
Compare live NZ prices on Twisti across JB Hi-Fi, Noel Leeming and PB Tech, plus an AI verdict on whether now's a good time to buy.
Compare prices now →