100% Offline • Zero-Knowledge • Open Source

Your Passwords. Your Device. Zero Cloud.

The ultimate zero-knowledge password manager. 100% offline, fully open-source, and entirely under your control.

Get it on Google Play View Source on GitHub

OneRule Vault

Offline Password Manager

OneRule icon
OneRule vault screenshot OneRule settings screenshot OneRule password generator screenshot
Biometric Unlock Enabled

Built for Privacy-First Users

OneRule is engineered for users who demand full control, transparent security, and zero cloud dependency.

100% Offline

No internet permission required. Your data never leaves your device.

Military-Grade Encryption

Secured locally using AES-256 and SQLCipher.

Open Source

Transparent code. Auditable by anyone. Licensed under GPLv3.

Biometric Unlock

Fast and secure access using your device's fingerprint or face unlock.