Amazfit Helio Ring - Subscription-Free Smart Ring
Subscription-free smart ring from Amazfit. Heart rate, sleep, activity, and AI readiness scoring with no recurring fees. UK launch in 2024. A big 2026 price cut has repositioned it as a budget pick.
4.0 / 5
★★★★★ ★★★★★ Highly recommended
Strengths
- Genuinely no subscription required - all features available with one-time purchase
- Strong battery life (4-day typical, up to 7 days at lower polling)
- Lightweight titanium build (around 3g) with multiple finish options
Watch outs
- Zepp app is functional but lags Oura's and Ultrahuman's UX polish
- Sleep-stage detection is less validated than Oura's in independent comparisons
- No active SpO2 spot-check; only continuous overnight monitoring
£149.9
Typical price - check Amazfit for live pricing.
- Sensors Optical heart rate, SpO2 (overnight only), skin temperature, accelerometer
- Battery 4 days typical use, up to 7 days at lower polling
- Charging Magnetic pad, ~90 min full charge
- Water resistance 10 ATM (suitable for swimming)
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Research-based verdict We have not yet handled this ring ourselves. This review is compiled from the manufacturer's published specifications, independent validation studies, and aggregated owner reviews - and we say so wherever a claim depends on them. See our methodology for exactly how we work.
By Rob Griffiths1 min read
- Sensors
- Optical heart rate, SpO2 (overnight only), skin temperature, accelerometer
- Battery
- 4 days typical use, up to 7 days at lower polling
- Charging
- Magnetic pad, ~90 min full charge
- Water resistance
- 10 ATM (suitable for swimming)
- Material
- Titanium with PVD coating
- Weight
- ~3 grams
- App
- Zepp (shared with Amazfit watches)
- Subscription
- Not required for any feature
- Best for
- Existing Amazfit watch owners and budget-conscious smart-ring buyers wanting no recurring fees