Ultrahuman Ring AIR vs Whoop 4.0
Sqwod verdict
Dead heat — 82 vs 82. Your use case is the tiebreaker.
Both are strong — the call comes down to what you prioritise:
- Ultrahuman Ring AIR — You want continuous sleep, recovery and HRV data — with an optional metabolic angle — without locking clients into a monthly subscription.
- Whoop 4.0 — You coach performance and program by daily readiness and strain.
Ultrahuman Ring AIR
82Score · Medium
from €234.53
An accurate, feather-light recovery ring with a standout metabolic-health angle — and, unlike Oura, no subscription. Softer workout tracking is the trade.
Whoop 4.0
82Score · High
from €30/mo
The coach's strain-and-recovery band — screenless, always-on, built for athletes who train by readiness. The subscription model is the commitment.
Compare side-by-side
| Ultrahuman Ring AIR82Scorefrom€234.53Review → | Whoop 4.082Scorefrom€30/moReview → | |
|---|---|---|
| Form factor | — | Band (screenless) |
| Battery life | — | ~5 days |
| Screen | — | None |
| Sleep tracking | — | Detailed |
| Recovery / HRV | — | Strain + Recovery |
| Subscription | — | Required (membership) |
| Water resistance | — | ~10 m |
Prices are our researched reference points.
Affiliate disclosure. We may earn a commission from links on this page. It never affects the Sqwod Score — scores are set by the methodology, not commission.