Sleep stages, readiness contributors, HRV, temperature and full history — included with the device. There is no premium tier, and there never will be a subscription for data you already generated.

Shop the ring

Three views you will actually open

Sleep stages

Light, deep and REM bands with a 30-day trend, not a single night's grade. The ring records; the app shows the shape of your week.

Readiness contributors

Resting heart rate, HRV, temperature deviation and respiratory rate, each shown separately so you can see which one moved.

Activity & strain

Steps, workouts and a strain figure that reflects how hard the day actually was — screen-free tracking, nothing to tap.

Where your data lives

• On the device first. The ring stores several days locally and syncs when the phone is in range.

• Your account, your export. You can export your full history from the app at any time.

• No selling of health data. We do not sell or share personal health data with advertisers.

• Deletion. Deleting your account deletes the associated health records, not just the login.