Sentinel Lens vs Valv
Side-by-side comparison of two open source alternatives
Sentinel Lens
Sentinel Lens is a facial recognition surveillance app that uses your Android device's camera to record video in the background (with no live preview) and sends Telegram alerts when unauthorized individuals are detected, based on a configurable blacklist and whitelist. Key Features Background Recording Discreet Capture: Record video silently in the background without any visible camera preview. Saved Camera Footage: Automatically store recordings for later review. Front or Back Camera: Choose either camera lens for optimal coverage. Advanced Facial Recognition Facial Recognition Surveillance: Analyze recorded frames to identify known and unknown faces. Configurable Watchlist: Maintain custom blacklist and whitelist entries to control alerts. Real-Time Alerts Telegram Alert Integration: Send instant notifications via Telegram when a watchlist match is detected.
Valv
Valv is an encrypted gallery, storing your sensitive photos, GIFs and videos securely on your device. Choose a password or PIN-code and protect your gallery. Valv encrypts your files using the fast ChaCha20 stream cipher. Features * Supports images, GIFs, videos and text files * Organise using folders * The app requires no permissions * Encrypted files are stored on-disk allowing for easy backups and transfers between devices * Supports multiple vaults by the use of different passwords * Day/night modes * Add notes/text to files Encryption Files are encrypted using ChaCha20 and keys are derived using PBKDF2 with HMAC-SHA512.
| Feature | Sentinel Lens | Valv |
|---|---|---|
| License | GPL-3.0-only | GPL-3.0-only |
| Install sources | F-DroidGitHub | F-DroidGitHubIzzyOnDroid |
| Categories | Password ManagerMedia PlayerVideo | Password ManagerMedia PlayerGalleryVideo |
| Features | Ad-FreeOpen SourceNo Tracking | Ad-FreeOpen SourceNo Tracking |
| Platforms | Android | Android |
| Website | ||
| Source code |