What are secure notes in Cryptile?

Updated 26 October 2026

A secure note is a title and plain text stored inside an open vault. It is encrypted like every photo and file, with keys made from your pattern.

How do I write a secure note?

Open Cryptile and draw the pattern for the vault you want.
Open the folder where the note should go, or stay at the top of the vault.
Tap the + button, then Note (passwords, codes).
Type a title and the text. Save stays off until the text is not empty.
Tap Save. The note is encrypted and appears in the vault.
Tap a note to read it. Use Copy to paste it elsewhere. The copy expires from the clipboard after a minute.

Notes are plain text. The free plan covers them, and they do not count towards the photo and video limits.

Anything short that you would not want on a lock screen. Think Wi-Fi keys, door codes, an account number or the recovery phrase of another app.

A note is also easier to protect than a photo of the same thing. Nothing about it ever enters Camera Roll.

Someone holding your unlocked phone. They see only the vault whose pattern they know.
Someone copying the app's files. The note is AES-256-GCM ciphertext, and sizes are padded.
Notes syncing to places you did not choose. The note lives in the vault and in your encrypted backup.
The developer. There is no account and no server, so we cannot read a note.

Screenshots. A note on screen can be captured while the vault is open.
Copying. Once you paste a note into another app, that app holds the text.
Typing it somewhere else first. A password typed in another notes app is already outside the vault.
A short vault pattern. Use 8 or more cells.
Losing the phone and the recovery phrase. The vault is gone. There is no reset.

Read the security page for the full limits, and pattern unlock for how the key is made.