Oura
Oura Ring 4
$349
Released 2024-10
Best Fitness Trackers · head-to-head
Oura Ring 4 vs Amazfit Band 7
A sourced, side-by-side comparison. Amazfit Band 7 is cheaper at $49.99. Every spec and price links to its source.
Amazfit (Zepp Health)
Amazfit Band 7
$49.99Cheaper
Released 2022-07
Which is better: the Oura Ring 4 or Amazfit Band 7?
On the specs we track, they're closely matched. The Amazfit Band 7 is the cheaper at $49.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Oura Ring 4 | Amazfit Band 7 |
|---|---|---|
| US price | $349 | $49.99 US MSRP at launch Jul 20 2022. |
| Brand | Oura | Amazfit (Zepp Health) |
| Released | 2024-10 | 2022-07 |
| Form factor | ring | band |
| Display | — | AMOLED 1.47in |
| Battery days | 8 | 18 |
| Gps | No | No |
| Spo2 | Yes | Yes |
| Ecg | No | No |
| Subscription required | Yes | No |
| Water resistance (m) | 100 | 50 |
| Release | 2024 | 2022 |
Sources — Oura Ring 4: support.ouraring.com (verified 2026-06-15). Amazfit Band 7: us.amazfit.com (verified 2026-06-15).
What's the difference between the Oura Ring 4 and Amazfit Band 7?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Form factor: Oura Ring 4 ring vs Amazfit Band 7 band
- Battery days: Oura Ring 4 8 vs Amazfit Band 7 18
- Subscription required: Oura Ring 4 true vs Amazfit Band 7 false
- Water resistance (m): Oura Ring 4 100 vs Amazfit Band 7 50
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Oura Ring 4
Two whitelisted hands-on testers (TechRadar, Engadget) call the Oura Ring 4 the best smart ring, praising comfort, sleep tracking and the redesigned app. Both flag the mandatory $5.99/month subscription that paywalls essential features. In real-world use, TechRadar drained a Size 10 ring in about five and a half days of constant use with workouts, while Engadget regularly got seven days on the same size over two months of lighter use. (Numeric measured values were dropped because the digit forms did not literally appear in the source text; the battery claims survive within verbatim quotes.) (2 sourced reviews, 2 lab-tested.)
Praised: Best-in-class smart ring; comfortable, elegant titanium design; Highly accurate sleep tracking (near-polysomnography); Multi-day battery life in real use (roughly 5.5-7 days on a Size 10).
Flagged: Mandatory $5.99/month subscription paywalls essential features and hurts value; Automatic activity/workout detection is unreliable (false positives).
Amazfit Band 7
Two whitelisted hands-on reviews cover this exact model and both survived verification: Notebookcheck (lab-measured, 2023) and Tom's Guide (2024). Both praise the AMOLED display and long battery life for a sub-$50 tracker with 120 sport modes, and both flag the lack of built-in GPS. Notebookcheck additionally lab-flags large exercise heart-rate errors and a slow, poorly implemented Alexa; Tom's Guide flags paywalled Zepp premium reports and a strap that can come undone. (2 sourced reviews, 2 lab-tested.)
Praised: Good AMOLED display / panel quality; Long battery life for the price; 120 sport/activity modes at a sub-$50 price.
Flagged: No built-in GPS (relies on paired phone); Large heart-rate deviations during exercise (up to 39 bpm); Amazon Alexa is slow and poorly implemented.