Oura Ring 4.
THE SHORT ANSWERThree daily scores (Readiness, Activity, Sleep), battery and basic app settings remain; detailed analysis and guidance require membership.
US market · Source review is not hands-on testing · Manufacturer-service survival not proven
What stays. What you lose.
Three daily scores (Readiness, Activity, Sleep), battery and basic app settings remain; detailed analysis and guidance require membership.
| Ownership dimension | Documented finding |
|---|---|
| Paid plan | Core insights require paid membership |
| Without subscription | Three daily scores (Readiness, Activity, Sleep), battery and basic app settings remain; detailed analysis and guidance require membership. |
| Without internet | Not established |
| Vendor shutdown | App/account required; indefinite vendor-independent operation not established |
Membership is billed to an account. An included first month is for eligible new members, not each additional ring.
What else you need.
No local standalone display of detailed measurements
Hardware that stores data locally can still depend on a vendor account, app activation, supported firmware or an internet connection for certain functions.
Read the source. Not just the conclusion.
These links substantiate specific claims. They do not prove physical testing, current retail pricing, or long-term operation if vendor services end.
- Oura — Membership benefits, cancellation and US pricingOpen official source ↗
$5.99 monthly / $69.99 annual, free features, account and first-month terms
- Oura — Official Ring 4 and Ring 5 storeOpen official source ↗
Published entry prices and ring-generation identification