Everything stays on your device, encrypted with AES-256. Linnet has no account and no server — we never receive or see anything you log.
In Settings → Encrypted backup, turn on a backup (a file you keep, or your own iCloud). It’s end-to-end encrypted with a passphrase you choose. On a new phone, install Linnet and restore with your passphrase or recovery key.
No — and neither can anyone else. Backups are encrypted so that only you can open them. Keep your recovery key somewhere safe.
Settings → Delete all data. This permanently erases every record, the encryption key, any saved backup, and scheduled reminders.
No. Linnet is a wellness tracker, not a medical device. Predictions are estimates, and Linnet must not be used as contraception. For medical advice, see a clinician.