Smart rings are popular. Check fit, fees and your phone first

The jewellery drawer has acquired a data analyst. Smart rings promise a quieter way to follow sleep and activity, while looking considerably happier beside a nice bracelet than most charging cables do. The appeal is easy to understand. The shopping decision needs a little more than a pretty finish.

There is real demand behind this trend. In its September IPO filing, Oura reported 3.6 million rings sold in the 12 months ended June 30, 2026, with 5 million paid members at June 30, double the year-earlier figure. Those are dated company disclosures, not an October search ranking or proof that every buyer needs one.

Choose the phone relationship before the rose-gold relationship

Start with the device already in your pocket. Oura’s setup requirements currently specify iOS 16 or later, or Android 11 or later with Google Play services, plus Bluetooth 5.0. That makes the Oura Ring 5 worth considering across both phone camps, provided its app and membership suit you.

Samsung Galaxy owners can also investigate the Galaxy Ring. Its Canadian product information ties features such as Double Pinch and Find My Ring to compatible Galaxy phones and software. Check those requirements individually; a feature in the product video is not automatically a feature on your particular phone. The tiny accessory has a surprisingly thorough guest list.

The subscription is part of the product

Here is the bit to check before getting attached. Oura Membership costs US$5.99 monthly or US$69.99 annually in the US; regional currencies and taxes vary. New members get one included month. Without an active membership, you retain the three daily scores and limited basics, rather than the detailed experience that makes the ring interesting.

Twelve paid monthly bills total US$71.88, before hardware and tax. That is simple arithmetic, not a forecast of your first-year bill. Ask whether you want this ongoing relationship after the novelty wears off. A subscription can earn its place; it should still introduce itself properly.

Samsung described its Samsung Health ring insights as subscription-free in its India launch announcement. Treat that as a reason to compare current local terms, not a promise about every future service. Compare the app, supported features and ongoing cost together.

Yes, the sizing kit needs a sleepover

A smart ring has to fit more than an outfit. Oura recommends its model-specific sizing kit and at least 24 hours with a sizer, including overnight, because fingers change size. Ring 5 uses sizes 6–13, and its fit differs from earlier generations. Your usual jewellery size does not settle this one.

It should feel snug and comfortable. Try ordinary daily movements before confirming the order. Buying first and hoping your finger cooperates is a rather expensive romantic comedy.

Buy for one useful job, not another score to worry about

Our practical shortlist: consider Oura Ring 5 if you want its detailed app across supported iPhone and Android devices and accept the membership; investigate Galaxy Ring if its Galaxy features fit your phone; keep your current tracker if it already answers your questions. These are buying filters, not a hands-on ranking.

Our Google Health 5.11 explainer shows why existing hardware deserves a second look, while the Fitbit Edge preview covers a screen-equipped alternative. Pick one thing you would use the information for, then decide whether a ring makes it easier. Looking cute is allowed. Being useful gets it invited back.

Hero image: hands wearing Oura Ring 5, supplied in ŌURA’s official press kit. Image source. This October 25 buying explainer uses published specifications and disclosures; DeviceCritique has not tested these rings.