Oura Ring Gen3 Smart Ring

Yes — Oura Membership is required for full functionality, and this applies across the entire Oura Ring lineup, not just Gen3. New members get the first month free; after that, it's $5.99/month or $69.99/year. Without an active membership, the ring works in a significantly limited capacity, with access to only basic metrics rather than detailed insights, Readiness Score, and personalized guidance.

Factor this into your total cost: over three years, that's roughly $200+ in membership fees stacked on top of the hardware price. This is the main reason subscription-free competitors like RingConn have gained traction — if avoiding recurring fees is a priority, it's worth comparing total 3-year cost rather than just the upfront ring price.

Order an Oura Ring Gen3 Sizing Kit before buying the ring itself — it includes plastic sizing rings corresponding to actual Oura Ring sizes, which differ slightly from standard US ring sizes. Wear your chosen sizer for at least 24 hours, including while sleeping, since fingers swell and shrink throughout the day and your sleeping size may differ from your daytime size.

Critically, Gen3 sizing is different from Oura Ring 4 sizing — if you previously sized for a Ring 4 or used an old sizing kit, don't assume the same number applies. If you're between two sizes, Oura recommends choosing the smaller size for a more secure, accurate-reading fit. Most retailers apply the sizing kit's cost as a credit toward your ring purchase.

Yes — the Oura Ring Gen3 carries a 100-meter (~330 ft) water resistance rating, making it safe for showers, swimming, recreational diving like snorkeling, hot tubs, saunas, and even ice baths. Chlorine will not damage it. Oura does not recommend scuba diving with the ring or submerging it continuously for more than 12 hours.

One practical note: the ring's operating temperature range is -10°C to 52°C (14°F to 125°F), and extended exposure beyond -20°C or above 60°C can damage the battery — relevant mainly for extreme cold-water exposure or very hot sauna sessions over extended periods.

Oura's Gen 1 and Gen 2 rings have lost active app support and are now considered discontinued — if you own one, the general guidance is to upgrade rather than continue relying on it, since it's running unsupported software. Gen3, by contrast, remains actively supported in the current Oura App alongside the Ring 4 and Ring 5.

There's no public commitment from Oura on exactly how long Gen3 support will continue now that two newer generations exist, so if multi-year long-term support is your top priority over saving money today, the Ring 4 (or the brand-new Ring 5) is the safer bet. For most buyers prioritizing value right now, Gen3's active support status makes it a reasonable purchase.

Buy the Oura Ring Gen3 if: you want Oura's more polished, easier-to-understand app and don't mind the ongoing subscription, or you want the strongest women's health tracking integrations on the market. At its current discounted price, it's also now cheaper upfront than RingConn's $349.

Buy the RingConn Gen 3 if: you specifically want to avoid recurring subscription fees forever, or you want the unique Vascular Trend health metric RingConn offers that Oura doesn't directly match. For most first-time smart ring buyers prioritizing low upfront cost and a proven app experience, we'd point you to the Oura Ring Gen3 at its current price — just budget for the membership.