Oura Ring 4 JZ90-54216-13 Smart Ring, Gold, Size 13, Titanium

Size 13 is the specified fit, and the gold Oura Ring 4 has an all-titanium design. It tracks sleep, activity and women’s health alongside more than 50 health metrics. There’s no screen or vibration, and the stated battery life is five to eight days. The sizing system differs from standard jewellery rings, so the brand’s sizing kit is important before you buy.

At a glance

The Oura Ring 4 is a wearable health tracker for people who want data without a watch-style display. Its Smart Sensing platform is designed to adapt to the wearer and collect information day and night, including metrics related to sleep, activity, stress, heart health and women’s health. It connects with Android and iOS through the Oura App, making the app the place to review those readings and insights.

In everyday use, its ring format may suit someone who would rather wear a discreet tracker to bed or through a workout than keep a screen on their wrist. It is water resistant and has no screen or vibrations, but it has no GPS. If you want a wearable to record location independently, a GPS-equipped device is a more relevant approach. The package includes a charger and USB-C cable.

The first month of Oura Membership is included for new members, after that, membership is listed at $7.99 CAD per month. That ongoing subscription is worth factoring in because membership is connected to the account in the app, not to the physical ring. The product information also says to use the Oura Ring 4 Sizing Kit: a standard jewellery size is not a reliable substitute for its dedicated sizing system.

Getting the most from it

A useful routine is to wear the ring consistently, including overnight, then use the app to look for patterns across sleep, activity and other tracked areas. The product is designed for continuous wear, with a stated battery life of five to eight days, though actual buyer feedback on battery life is mixed. There is no separate screen to check during the day, the experience centres on collecting data and reviewing it in the app.

Buyers often praise the range of tracking and the informative context provided by the metrics, and some appreciate the ring’s sleek, minimal appearance. Feedback is not uniformly positive: reports differ on battery performance, sleep monitoring and reliability, while durability and value for money also draw criticism. These are individual buyer impressions, not a guarantee of how a particular ring will perform, but they suggest weighing the subscription and long-term expectations alongside the tracking features.

Who it’s for

It suits you if you want a low-profile wearable for ongoing sleep and activity tracking, and you are comfortable using an app to interpret the results. Cycle tracking and other women’s health metrics may also be relevant if those are priorities. The gold finish and ring form offer a different everyday-wear approach from a wrist tracker, while the absence of GPS makes it less suited to someone seeking standalone location tracking.

It’s not for you if you want a screen, vibration alerts or GPS in the wearable itself. A more basic tracker may be enough if you do not need the broader health metrics, while a more feature-focused watch may better fit someone who wants on-device feedback. Size 13 is the listed variant, but sizing should still be handled with the dedicated kit rather than inferred from another ring.

Should you buy it?

Consider the Oura Ring 4 if discreet, continuous tracking is more important to you than a display or built-in GPS, and you are prepared to use the app and account for the ongoing membership after the included first month. Its titanium construction, water resistance and broad set of tracked metrics give it a clear role as a screen-free health wearable. The main decision points are the dedicated sizing process, subscription and mixed buyer feedback on battery, sleep tracking and durability. If those trade-offs fit your routine, the ring format may be a practical alternative to wearing a watch, if you want GPS or immediate feedback on your wrist, another wearable format is likely a better match.