sentinel

Sentinel is a privacy-first vault that keeps your passwords, notes, and important documents stored locally on your device — without accounts, ads, or tracking.

Designed for people who want full control, Sentinel focuses on speed, clarity, and offline security.

Key features

Offline-first vault for passwords, secure notes, and files

Android Autofill support for fast sign-ins across apps and websites

App lock with PIN and/or biometric (device dependent)

Manual backup & restore: export a password-protected backup file and save it where you want

Document scanning & storage: scan and keep receipts, IDs, and paperwork in one place

Clean, modern UI built for quick access

Privacy
No account required
No analytics / no ads
Your vault stays on your phone. You choose if/when to export backups.
Notes
Security depends on your device and system settings. For best protection, use a strong device lock (PIN/biometric) and keep your OS updated.