Watch It in Action

Oura’s Ring 5 introduction and design overview.

Watch on YouTube ↗

Our verdict: ✓ KEEP

Oura Ring 5 is a strong choice for people who value comfortable, screen-free sleep and wellness trend tracking, especially if they are new to smart rings or upgrading from an older generation. Independent reviewers report a noticeably slimmer fit and long battery life. It is a less compelling upgrade from Ring 4, and full insights require a recurring membership.

What it does well

Oura lists detailed sleep analysis, 24/7 heart-rate tracking, temperature trends, blood-oxygen sensing, activity detection and app integrations. Its titanium construction is 40% smaller in volume than Ring 4, comes in sizes 6–13, and is rated for 6–9 days of battery life depending on use and settings.

Who it is for

People who prefer passive, discreet tracking and mainly want to review sleep, activity and readiness trends over time. The ring supports iOS and Android through the Oura app.

Who should skip it

People who want a live display and immediate workout feedback, do not want a monthly membership, or already own Ring 4 and do not value a slimmer fit. A ring can also be uncomfortable during some grip-heavy exercises; an external heart-rate monitor is a separate purchase.

KEEP if

You want a subtle wearable for trend tracking and accept the app, sizing process and recurring membership. Check Ring 5 sizing specifically; its sizing differs from earlier generations.

Know before buying

WIRED’s three-week wear test found Ring 5 more comfortable and reported typical battery life of six to nine days, but did not find dramatic changes in the measured data compared with Ring 4. WIRED also noted that full app features require a membership. These measurements are wellness estimates and trends, not a medical diagnosis or substitute for professional care.

Why it earns a KEEP

The smaller design improves everyday wearability while retaining a broad set of sleep and wellness features. For a first smart ring or an older-generation upgrade, the comfort and battery gains make the overall system compelling when its subscription model fits your preferences.

Research sources

• Oura — Ring 5 hardware, sizing, battery and membership features
• Oura — Ring 5 launch and official product overview
• WIRED — three-week wear test, comfort, battery and membership trade-offs
• Men’s Health — multi-week wear test and activity-tracking limitations
• YouTube — Oura Ring 5 official introduction

Product specifications are from Oura. Wear-test observations are attributed to WIRED and Men’s Health. Health metrics are estimates for wellness trend tracking; they should not be treated as diagnosis. The Keep Test did not personally test this ring.