First-generation product — no release history to base predictions on
Best for: Health-focused wearers who want continuous biometric tracking without a watch on their wrist. Ideal for sleep researchers, recovery-focused athletes, and anyone who finds watches uncomfortable at night. Works with both iPhone and Android. The subscription is optional but unlocks most of the app's value.
Full details →Late in cycle — a new model is likely coming
Best for: Android users — especially those in the Samsung ecosystem — who want a premium smartwatch with comprehensive health tracking, Wear OS flexibility, and strong software support. The Ultra suits outdoor-active users who need longer battery life.
Full details →| Oura Ring | Samsung Galaxy Watch | |
|---|---|---|
| Tier | Smart Ring | Smartwatch |
| Platform | iOS & Android | Android only |
| Battery | 7 days | 1.5 days |
| Always-on display | ❌ | ✅ |
| GPS | ❌ | ✅ |
| Cellular | ❌ | ✅ |
| Released | Oct 15, 2024 | Jul 25, 2025 |
| Cycle length | — | 366 days |
| Cycle advice | neutral | bad |
| Deals advice | neutral | good |
| Next model | — | Galaxy Watch 9 (Expected summer 2026) |
Oura has refined its ring sensors across four generations. The Ring 4's flattened LED array delivers more accurate SpO2 and heart rate data than previous generations, especially during sleep.
Up to 8 days of continuous 24/7 tracking between charges in a ring that weighs as little as 4 grams. No screen to drain — just sensors running around the clock.
The Oura app supports iPhone and Android equally. Core health data syncs to Apple Health, Google Health Connect, and 40+ third-party fitness apps.
ECG, blood pressure, body composition, SpO2, and advanced sleep coaching — all processed on-device with Galaxy AI.
Answer calls, control SmartThings, and use Galaxy AI features seamlessly across Galaxy phones and tablets.
Access Google Play, Google Maps, Google Wallet, and Samsung's polished One UI Watch 7 interface.