Oura Ring 5 is the benchmark. Samsung Galaxy Ring 2 is the challenger — arriving early 2027 with rumored solid-state battery and no subscription. The key question: is a week-long battery and no monthly fee worth waiting for?
Oura Ring 5 Available now | Samsung Galaxy Ring 2 Early 2027 | |
|---|---|---|
| Price | From $399 | ~$399 (est.) |
| Availability | Available now | Early 2027 |
| Subscription | $5.99/mo or $69.99/yr (required) | None |
| Battery | 6–9 days | Multi-week (solid-state, rumored) |
| Blood pressure | Blood Pressure Signals (trend, not clinical) | Improved cardiovascular insights (rumored) |
| Blood glucose | No | Speculative |
| Size | 6.09mm wide, 2.29mm thick (world's smallest) | Thinner than Ring 1 (rumored) |
| Ecosystem | iOS + Android | Android only (Galaxy phones for full features) |
| Material | Titanium | Titanium |
| Water resistance | 100m waterproof | 10 ATM (expected) |
| GLP-1 tracking | Yes | Unknown |
6–9 days battery · $5.99/mo or $69.99/yr (required) · iOS + Android
Multi-week (solid-state, rumored) battery · None · Android only (Galaxy phones for full features)
Full roadmap →Updated June 2026 · Specs verified from manufacturer announcements and confirmed reports. Some specs are estimated or rumored — see individual roadmap pages for sourcing.