- idk.dev
- Smartwatches
- Smart rings
28 models
| Model | Battery life (smartwatch mode) | Water resistance | Weight | Score |
|---|---|---|---|---|
| Ultrahuman Ring AIR 2024 | 6 days | 10 ATM | 2.4 g | 9.5 |
| RingConn Gen3 2026 | 10 days | 10 ATM | 2.5 g | |
| RingConn Gen2 2024 | 10 days | 10 ATM | 3 g | |
| Oura Ring 5 2026 | 9 days | 10 ATM | 2.5 g | 9.1 |
| Oura Ring 4 2024 | 7 days | 10 ATM | 3 g | 8.5 |
| RingConn Gen2 Air 2025 | 10 days | 10 ATM | 3 g | |
| Oura Ring 4 Ceramic 2025 | 8 days | 10 ATM | 3 g | 8.5 |
| Blaupunkt Light V2 2026 | 7 days | — | 3.7 g | |
| Colmi R10 2026 | 4 days | 5 ATM | 2.7 g | 7.8 |
| Blaupunkt Pro V3 2026 | 7 days | — | 3.7 g | |
| Hama Smart Ring ONE 2026 | 4 days | 5 ATM | — | |
| Even Realities R1 2026 | 4 days | 5 ATM | — | |
| IMIKI Smart Ring 2025 | 5 days | 5 ATM | — | |
| Colmi R03 2024 | 7 days | 5 ATM | 4.7 g | 4.5 |
| RingConn Smart Ring 2024 | 7 days | 5 ATM | 5 g | 4.1 |
| Nextring N2 Pro 2025 | 10 days | 5 ATM | 3 g | 6.6 |
| Colmi R12 2025 | 5 days | 1 ATM | 4.7 g | 3.7 |
| Prixton Orbyt 2025 | 7 days | 5 ATM | — | |
| MYnextRING Sky 2026 | 7 days | 5 ATM | 3 g | 6.2 |
| Fitpaddy FitRing Air 2025 | 6 days | 5 ATM | 3.5 g | 5.8 |
| Riversong Trinity Smart Ring 2026 | 3 days | 5 ATM | 3.8 g | 5.4 |
| Colmi R06 2024 | 7 days | 5 ATM | 2.7 g | 7.4 |
| Nextring Titan 2025 | 14 days | — | 3 g | |
| Luna Ring 2.0 2026 | 6 days | 5 ATM | — |
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