Premium & HRV
Premium features, restoring purchases, and HRV readings.
- What's the difference between Free and Premium?
- How do I activate my Premium with a Premium code?
- I paid for Premium but it isn't unlocking.
- How do I activate my free Premium trial?
- Premium still isn't recognized after Restore — or it's on another account/phone.
- I tried all the tips and HRV still fails.
- What is HRV and how does it work?
- HRV measurement keeps failing or gets stuck on “Calibrating.”