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675 models available. Showing nine - search to narrow the list.
Comparison settingsMarket, sorting & differences
How price order works
Lowest recorded store prices take priority over announced or launch prices, within the selected source market. Currencies use the dated EUR reference rates. Deposits and recurring charges are excluded from price order; missing prices stay last. Original price records remain visible.
These devices serve different jobs or use different form factors. Compare their purpose first.
Sleep stages, heart rate, overnight HRV and SpO2, temperature trends, activity, stress and recovery insights ↗
Fit & sizing
Ring 4 kit, whole sizes 4-15; wear sizer at least 24 h including sleep; Ring 5 kit differs ↗
Subscription
Detailed insights require membership: US $5.99/month or $69.99/year before tax; EU €5.99/month or €69.99/year including tax; eligible first month free ↗
Battery / power
Typically 5-8 days; about 20-80 minutes recharge ↗
Keep in mind Native US and UK ring prices were not verified; membership prices for those regions were verified.
Optical heart rate, temperature, accelerometer, gyroscope and altimeter; electrical heart / ECG and blood-oxygen sensors ↗
Connection & compatibility
Bluetooth 5.3 + Wi-Fi; iPhone 11+ with iOS 27+; cellular plan on compatible cellular models ↗
Battery / power
Up to 24 hours normal use; 38 hours Low Power Mode ↗
Keep in mind Health, cellular, satellite and AI features vary by region and supported phone/software. Manufacturer battery estimates are not hands-on results.
Published specifications and documented constraints. See the full comparison below for prices and sources.
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Oura Ring 4 versus RingConn Gen 2 versus Apple Watch Series 12
€265.30 EUR≈ $297 USDECB 2026-10-12EU · Store price · Listed1 offer records & sources
€265.30 EUR≈ $297 USDECB 2026-10-12EU · Store price
Listed
Silver; ring size unselected; regional EU delivery
The EUR price was observed on a regional checkout; final taxes, shipping and destination eligibility need confirmation.Price source ↗ Checked 2026-10-12
€254.15 EUR≈ $284 USDECB 2026-10-12EU · New · Store price · In stockEuropean storefront EUR price; confirm taxes and shipping for your destination.2 offer records & sources
$299 USD≈ €267 EURECB 2026-10-12Global · Store price
Detailed insights require membership: US $5.99/month or $69.99/year before tax; EU €5.99/month or €69.99/year including tax; eligible first month free ↗
Official Ring 4 store and support pages remain available. A current EUR storefront offer was verified; US/UK ring prices could not be verified in this geo-specific session.
Official product listing verified. Specific stock, shipping destinations, taxes and checkout totals must be confirmed for the selected configuration.
Official product listing verified. Specific stock, shipping destinations, taxes and checkout totals must be confirmed for the selected configuration.
Important context
Native US and UK ring prices were not verified; membership prices for those regions were verified.
Discounted EU store price may change; selected-size stock and checkout were not tested.
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Health, cellular, satellite and AI features vary by region and supported phone/software. Manufacturer battery estimates are not hands-on results.
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.
