Ultrahuman vs RingConn vs Oura (2026): smart rings compared
By BLAZE · Updated 31 October 2026
Three leading smart rings that differ on price, battery life and whether you pay a subscription.
Comparison table
| Feature | Ultrahuman Ring PRO | RingConn Gen 2 | Oura Ring 5 |
|---|---|---|---|
| Listed price (31 Oct 2026) | $479 (Ring AIR $349) | $299 | Silver $399 |
| Subscription | No recurring fee for your data (optional add-ons) | No subscription required | Oura Membership exists. Not verified: membership price |
| Battery | Up to 15 days (Turbo ~12, Chill 15+); up to 45 days with PRO charging case | 10–12 days; up to 150 days with charging case | Up to 6–9 days; charges in ~80 min |
| Weight / thickness | 3.3–4.8 g / 2.65 mm | 2–3 g / 2 mm (width 6.8 mm) | From 2 g / 2.28 mm (width 6.09 mm) |
| Water resistance | 100 m | IP68, 100 m | 100 m, IP68 |
| Sizes | 5–14 (free sizing kit) | Own sizing (free sizing kit) | Own sizing; no half sizes (sizing kit) |
| Standout | ProRelease (can be cut off if the finger swells); 250 days on-ring storage | Sleep breathing insights; 24/7 SpO2 | Cardiovascular age, cycle/pregnancy/menopause insights; 100+ app integrations |
| HSA/FSA (US) | Yes | Not stated | Yes |
| Deal | Check current price | Check current price | Check current price |
Who each is for
Ultrahuman Ring PRO
Buyers who want the longest battery life and no subscription.
RingConn Gen 2
The best value: lowest price, no subscription, 10–12 day battery.
Oura Ring 5
People who want the most mature app ecosystem and women's-health features, and accept a membership.
BLAZE verdict
Best value: RingConn Gen 2 at $299 with no subscription. Best battery: Ultrahuman Ring PRO, up to 15 days on the ring and 45 with the case. Most complete app: Oura Ring 5. Factor its membership into the total cost. Use the free sizing kit whichever you choose, because all three use their own sizing.
FAQ
Do I need a subscription?
Ultrahuman and RingConn say no. Oura has a membership; check its current price.
Which lasts longest per charge?
Ultrahuman Ring PRO, up to 15 days.
Can I swim with them?
All three list 100 m water resistance.
Sources
All facts come from these official pages, read on 31 Oct 2026. Anything we couldn't confirm is marked "Not verified".
- https://www.ultrahuman.com/ring/buy/us/ – Ring PRO buy page and PRO vs AIR table
- https://ringconn.com/products/ringconn-gen-2 – RingConn Gen 2 product page
- https://ouraring.com/store/rings – Oura Ring 5 store page
© 2026 BLAZE