Oura Ring 4
Oura Ring 4 launched Oct 2024 at $349+. Flush sensor pods, no more flat inner edge

As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.
The take
The recovery ring to beat: flush sensors fixed the classic bulge, and sleep-stage accuracy leads the category. The subscription still stings on top of $349 hardware — the data quality mostly earns it. Rings measure sleep brilliantly and workouts barely; that hasn't changed.
The basics
- Brand
- Oura
- Line
- Recovery
- Released
- 2024-10
- Launch price
- $349+
- Previous family release
- Oura Ring Gen 3
- Family
- Oura
- Official site
- ouraring.com ↗
Flush sensor pods, no more flat inner edge
Release history
- 2026-05-28Oura Ring 5
- 2024-10Oura Ring 4
- 2021-10-26Oura Ring Gen 3
- 2018-11Oura Ring Gen 2
Video coverage
Introducing Oura Ring 4: Sleeker. Smarter. Made for you.ŌURA · Fri, 19 Sep 2025
Oura Ring 4 | 10 Things to Know Before You Buy ItNoah Banks · Fri, 19 Sep 2025
Unboxing the Oura Ring 4 – Tech Tips from Best BuyBest Buy · Thu, 16 Oct 2025
Oura Ring 4 - Ultimate Beginner's Guide 2025Shervin Shares and Shervin Shares Reviews · Fri, 19 Sep 2025Oura Ring generation comparison
Full compare pageLaunch prices are historical. Price links may earn us a commission. As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.
| Oura Ring 52026-05 | Oura Ring 42024-10 | Oura Ring Gen 32021-10 | Oura Ring Gen 22018-11 | |
|---|---|---|---|---|
| Launch price | $399–$499 | $349 | $299 | $299 |
| Weight (ring) | 3.3–5.2 g (by size) | |||
| Battery | 6–9 days | up to 8 days | up to 7 days | up to 7 days |
| Sensors | Redesigned low-profile sensors, 12 signal pathways | Flush IR, SpO2 and thermistor pods | HR, HRV, SpO2, skin temp | IR HR, HRV, temp deviation |
| Health features | Health Radar; availability varies by region | Sleep staging, heart-health dashboard | Daytime HR, period prediction | Sleep staging, Readiness |
| Membership | $5.99/mo or $69.99/yr; separate from hardware | $5.99/mo for full insights | $5.99/mo for full insights | — |
| Water rating | 100 m (IP68) | 100 m | 100 m | 100 m |
| Signature | 6.09 mm wide, 2.28 mm thick | Flush pods, accuracy leader | Daytime HR + period prediction | The Kickstarter darling goes retail |
Battery figures are launch-day claims.
In the news
Cross-brandrecovery wearables
Screen-free recovery, three ways — a band, a ring and a sleep armband, measured on the same rows.
Launch prices are historical. Price links may earn us a commission. As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.
| Garmin Index Sleep Monitor2025-06 | Whoop 5.0 / MG2025-05 | Oura Ring 42024-10 | |
|---|---|---|---|
| Launch price | $169.99 | $199–$359/yr membership | $349 |
| Weight | 3.3–5.2 g (ring, by size) | ||
| Form | Sleep armband, upper arm | Screen-free band, wrist | Smart ring |
| Battery | up to 7 nights | 14+ days | up to 8 days |
| Membership | — | Required, $199–$359/yr | Optional, $5.99/mo |
| Sensors | HR, HRV, Pulse Ox | HR, SpO2, skin temp; MG adds ECG and blood-pressure insights | HR, HRV, SpO2, skin temp |
| Recovery metrics | Body Battery on paired Garmin watches | Recovery and Strain in the Whoop app | Readiness and Sleep Score in the Oura app |
| Signature | Feeds Body Battery into paired Garmin watches | Fourteen-day battery, MG adds ECG and blood-pressure insights | The ring that made recovery mainstream |