WHOOP
WHOOP 4.0
—
Released 2021-10
Best Fitness Trackers · head-to-head
WHOOP 4.0 vs Samsung Galaxy Ring
A sourced, side-by-side comparison. Samsung Galaxy Ring is cheaper at $399.99. Every spec and price links to its source.
Samsung
Samsung Galaxy Ring
$399.99
Released 2024-07
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | WHOOP 4.0 | Samsung Galaxy Ring |
|---|---|---|
| US price | — | $399.99 |
| Brand | WHOOP | Samsung |
| Released | 2021-10 | 2024-07 |
| Form factor | band | ring |
| Display | — | — |
| Battery days | 5 | 7 |
| Gps | No | No |
| Spo2 | Yes | Yes |
| Ecg | No | No |
| Subscription required | Yes | No |
| Water resistance (m) | 10 | 100 |
| Release | 2021 | 2024 |
Sources — WHOOP 4.0: dcrainmaker.com (verified 2026-06-15). Samsung Galaxy Ring: androidcentral.com (verified 2026-06-15).
What's the difference between the WHOOP 4.0 and Samsung Galaxy Ring?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Form factor: WHOOP 4.0 band vs Samsung Galaxy Ring ring
- Battery days: WHOOP 4.0 5 vs Samsung Galaxy Ring 7
- Subscription required: WHOOP 4.0 true vs Samsung Galaxy Ring false
- Water resistance (m): WHOOP 4.0 10 vs Samsung Galaxy Ring 100
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
WHOOP 4.0
No sourced tester review yet.
Samsung Galaxy Ring
Three whitelisted testers (Engadget, TechRadar, Tom's Guide) wore the first-gen Galaxy Ring for a week or more. All praise its light, comfortable design, ~5-7 day battery and no-subscription Samsung Health tracking. Common gripes: the $399 price, Samsung-phone/app lock-in, and thin feature set versus Oura. None ran lab-grade accuracy tests. (3 sourced reviews, 2 lab-tested.)
Praised: Lightweight, comfortable, unobtrusive to sleep in; Strong real-world battery life (roughly 5-7 days); No subscription fee for Samsung Health features.
Flagged: High $399 price for limited functionality vs a watch; Requires Samsung/Android + Samsung Health; no iPhone support and gestures limited to some phones; Software/features lag Oura and AI advice can be off-base.