Include in your message
- Your phone model and iOS or Android version
- The app version (Settings, at the bottom)
- What happened and what you expected
Getting a good reading
- Cover both the rear camera and the flash with the pad of your fingertip.
- Rest your finger gently. Pressing hard blocks blood flow and weakens the signal.
- Sit still, rest your arm on a table and breathe normally for the whole scan.
- Warm your hands if they are cold. Cold fingers give a weaker pulse signal.
- For readiness, measure each morning after waking for the best baseline.
Premium and purchases
- Restore Premium on a new phone: open the Premium screen and tap Restore purchases, signed in with the same Apple ID or Google account.
- Cancel a subscription: on iPhone, Settings → your name → Subscriptions. On Android, Google Play → Profile → Payments & subscriptions → Subscriptions.
- Refunds are handled by Apple or Google. Request one at reportaproblem.apple.com or through Google Play.
Backup and your data
- Backups are end-to-end encrypted. We can't reset or recover a forgotten backup passphrase.
- Export your data any time as CSV or PDF from the app.
- To delete your account, see Delete account.
Connecting devices
- Bluetooth devices must support the standard Bluetooth Blood Pressure, Pulse Oximeter, Heart Rate or Weight Scale profiles.
- To import readings from other apps, turn on Apple Health (iPhone) or Health Connect (Android) in Settings → Connected data.
More answers are in our FAQ.