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Compare up to three models from one category. Keep the purpose and the source beside the numbers.
| Smart rings |  |  |  |
|---|---|---|---|
| Prices · all markets | $399 USD≈ €356 EURECB 2026-10-09US · Store price · Listed 2 offer records & sources$399 USD≈ €356 EURECB 2026-10-09 US · Store price ListedSilver or Black, US store display Manufacturer listed price; checkout stock and delivery are not independently verified.Price source ↗ Checked 2026-10-12€429 EUR≈ $481 USDECB 2026-10-09 EU · Store price ListedStarting localized EU store configuration Manufacturer localized structured product data for Lithuania lists 429 EUR starting price and 15 EUR shipping. Confirm selected finish/size and checkout total.Price source ↗ Checked 2026-10-12 | $349 USD≈ €311 EURECB 2026-10-09Global · Store price · Listed 1 offer records & sources$349 USD≈ €311 EURECB 2026-10-09 Global · Store price ListedFuture Silver / 6 Official listed price; stock and final checkout cost are not independently verified.Price source ↗ Checked 2026-10-12 | £329 GBP≈ €388 EUR · $435 USDECB 2026-10-09UK · Store price · Listed 1 offer records & sources£329 GBP≈ €388 EUR · $435 USDECB 2026-10-09 UK · Store price ListedRing and charger Official listed price; stock and final checkout cost are not independently verified.Price source ↗ Checked 2026-10-12 |
| Designed for | Sleep, recovery and daily health trends ↗ | Sleep and daily health trends ↗ | Sleep and recovery trends ↗ |
| Tracking | Sleep stages, HR/HRV, oxygen, temperature, activity, stress and cycle trends ↗ | Sleep and apnea-pattern insights, activity, HR/HRV, temperature and cycle trends; vibration alerts ↗ | Sleep, HR/HRV, temperature, recovery and movement trends ↗ |
| Sensors | Two tri-LED modules, two photodetectors, digital temperature sensor and accelerometer ↗ | Optical heart-rate sensor, temperature sensor and accelerometer ↗ | Temperature, PPG and 6-axis IMU ↗ |
| Battery / power | Typically 6-9 days ↗ | Up to 14 days; 10-12 days with vibration enabled ↗ | 4-6 days ↗ |
| Battery context | Manufacturer estimate; size, settings and battery age dependent ↗ | Manufacturer estimate; settings and use dependent ↗ | Manufacturer estimate; settings and use dependent ↗ |
| Water / dust rating | 100 m + IP68; not for diving ↗ | IP68 / 10 ATM, manufacturer rating ↗ | 100 m, manufacturer rating ↗ |
| Connection & compatibility | Bluetooth 5.0 / BLE; iOS and Android app ↗ | Bluetooth 5.0; iOS 17+/Android 10+ ↗ | Bluetooth Low Energy; iOS and Android app ↗ |
| Material | Titanium exterior and interior with PVD coating ↗ | Titanium and epoxy resin ↗ | Titanium with PVD coating ↗ |
| Fit & sizing | Ring 5 sizing differs from Ring 4; use its sizing kit ↗ | Use the model-specific sizing kit ↗ | Official sizing kit recommended ↗ |
| Weight | From 2 g depending on size ↗ | 2.5-3.5 g ↗ | 2.4 g ↗ |
| Subscription | US: $5.99/month or $69.99/year; EU: €5.99/month or €69.99/year for full insights ↗ | No required subscription ↗ | Core app without mandatory subscription; optional paid PowerPlugs ↗ |
| Availability | Official model listing verified; selected-size stock, regional shipping and checkout totals must be confirmed.Lithuania: Not verified | Official product listing verified. Specific stock, shipping destinations, taxes and checkout totals must be confirmed for the selected configuration.Lithuania: Not verified | Official product listing verified. Specific stock, shipping destinations, taxes and checkout totals must be confirmed for the selected configuration.Lithuania: Not verified |
| Important context | No additional audit note. | No additional audit note. | No additional audit note. |
| Evidence | Manufacturer source Checked 2026-10-12 | Manufacturer source Checked 2026-10-12 | Manufacturer source Checked 2026-10-12 |
Battery claims use different conditions and are not a controlled benchmark. “Not verified” is an evidence gap, not a missing feature. Prices are dated regional snapshots. Deposits, bundles and historical launch prices are labelled. Brightness measurement methods and battery workloads vary by manufacturer.