Ultrahuman Ring AIR vs Amazfit Helio Ring
Ultrahuman Ring AIR ($349) vs Amazfit Helio Ring ($299) — side-by-side specs, weight, pros and cons to help you pick the right smart ring.
Spec-by-spec
| Spec | Ultrahuman Ring AIR | Amazfit Helio Ring |
|---|
| Price | $349 | $299 |
| Weight | 3g | 3.8g |
| Weight | 2.4–3.6g | — |
| Battery | Up to 6 days | 3–4 days |
| Sensors | PPG, Temp, Accel | PPG, Temp, Accel |
| Sub | None (free forever) | None |
| WR | 100m | 5ATM |
| Material | Titanium | Titanium |
| App | — | Zepp |
Pros & Cons
Ultrahuman Ring AIR
- No subscription ever
- 2.4g ultralight titanium
- Sleep + HRV + temperature
- 100m water resistant
- Free app with all features
- Smaller sensor array than Oura
- Newer ecosystem
- Sizing kit required
Amazfit Helio Ring
- Best readiness scoring in class
- Cross-device Amazfit integration
- No subscription
- Sleep coaching AI
- Trusted Zepp Health algorithms
- 3-4 day battery behind competitors
- Fewer sizes than Oura
- App less polished than Samsung
Amazfit Helio Ring is the better value at $299. If weight matters most, Ultrahuman Ring AIR carries lighter at 3g. Both are part of our curated smart ring index — tap through to check current pricing.