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You can't. Passlock stores no copy of your master password and derives the vault encryption key from it using PBKDF2 600 000 times. If you forget the master password, the vault is permanently inaccessible. This is the cost of zero-knowledge local encryption. Set up an export in Settings → Vault → Export to give yourself a recovery path.

Open the iOS Settings app → General → AutoFill & Passwords → make sure Passlock is on. If it doesn't appear in the list, force-quit Passlock from the App Switcher and re-open it once. The first run installs the extension. If the toggle is greyed out, you may have Screen Time restrictions enabled.

iOS Settings → tap your name at the top → Subscriptions → Passlock → Cancel. We can't cancel for you because Apple manages billing — but we can confirm what you'll be charged if you forward your receipt.

Only if you opt in to iCloud sync. Then the ciphertext of each entry is replicated to your private iCloud database. We don't operate any servers; there's no Passlock backend to send anything to.

Yes. Settings → Vault → Import. We accept 1Password .1pux (unencrypted exports), Bitwarden .json, and generic CSV (most browsers and Apple Passwords). Preview before importing — fields are mapped conservatively.

The cryptography module will be published on GitHub after V2 ships, alongside an independent security audit. The full app is closed source.