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.