The Readiness tab on the app tracks things like your resting heart rate, body temperature, and respiratory rate. I will note that the ring, which comes with its own charging port, has a fairly generous battery life, but it does need to be regularly charged in order to track daily metrics. I typically have to power it up once every five days or so.
Who is this best for?
It’s useful for nearly anyone, regardless of personal goals or age. The Oura Ring can be synced with over 40 other apps, like…

