# Oura Ring 4 vs Amazfit Helio Ring: specs and price compared

A sourced, side-by-side comparison of the Oura Ring 4 (Oura) and Amazfit Helio Ring (Amazfit) among smart rings. Amazfit Helio Ring is the cheaper of the two at $149.99.

## Side by side

| Spec | Oura Ring 4 | Amazfit Helio Ring |
| --- | --- | --- |
| US price | $349 | $149.99 |
| Brand | Oura | Amazfit |
| Released | 2024-10 | 2024-05 |
| Material | Titanium (non-allergenic inner and outer surfaces) | Titanium alloy outer, resin inner |
| Weight (g) | 3.3-5.2 | 3.65-3.82 |
| Battery days | 8 | 4 |
| Spo2 | Yes | Yes |
| Temperature sensor | Yes | Yes |
| Ecg | No | No |
| Subscription required | Yes | No |
| Water resistance (m) | 100 | 100 |

## Key differences

- Material: Oura Ring 4 Titanium (non-allergenic inner and outer surfaces) vs Amazfit Helio Ring Titanium alloy outer, resin inner
- Weight (g): Oura Ring 4 3.3-5.2 vs Amazfit Helio Ring 3.65-3.82
- Battery days: Oura Ring 4 8 vs Amazfit Helio Ring 4
- Subscription required: Oura Ring 4 Yes vs Amazfit Helio Ring No

## What reviewers say

**Oura Ring 4** — Four testers (Tom's Guide, TechRadar, Engadget, Digital Trends) all hands-on-tested the Oura Ring 4 and call it the best smart ring you can buy, praising the all-titanium comfort and companion app. Every source flags the mandatory ~$5.99/month subscription; easy scratching and step/calorie/activity-detection accuracy are the recurring doubts across reviews. (4 sourced reviews.)

## Sources

- Oura Ring 4: https://ouraring.com/store/rings/oura-ring-4 (ouraring.com, verified 2026-06-15)
- Amazfit Helio Ring: https://us.amazfit.com/products/amazfit-helio-ring (us.amazfit.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/smart-rings/oura-ring-4-vs-amazfit-helio-ring/
Cite: Per The Front Desk Review, Oura Ring 4 ($349) vs Amazfit Helio Ring ($149.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/smart-rings/oura-ring-4-vs-amazfit-helio-ring/
License: CC BY 4.0.