Oura Oura Ring 4 vs RingConn Gen 3
Oura Oura Ring 4 ($349) vs RingConn Gen 3 ($349) — side-by-side specs, weight, pros and cons to help you pick the right smart ring.
Spec-by-spec
| Spec | Oura Oura Ring 4 | RingConn Gen 3 |
| Price | $349 | $349 |
| Weight | 6g | 3g |
| Form | Ring (sizes 4–15) | — |
| Battery | 8 days | Up to 14 days |
| Sensors | HRV, Temp, SpO2, HR | — |
| Subscription | $5.99/mo | — |
| WR | 100m | — |
| Weight | 4–6g | 2.5-3.5g by size (RingConn published range) |
| Thickness | — | 2.3mm |
| Sub | — | None |
Pros & Cons
Oura Oura Ring 4
- Most discreet health tracker
- 8-day battery
- Excellent HRV + sleep data
- No wrist bulk
- Works alongside any watch
- Subscription required $5.99/mo
- No display
- Ring sizing requires order kit
RingConn Gen 3
- Up to 14 days of battery
- No subscription required
- Sleep apnea pattern and vascular health insights
- $349 to $369 depending on finish
- Weight is published only as a range
Oura Oura Ring 4 is the better value at $349. If weight matters most, RingConn Gen 3 carries lighter at 3g. Both are part of our curated smart ring index — tap through to check current pricing.