Photography · Open source

Sentinel Lens

Facial recognition surveillance with alerts

Download

Opens the official F-Droid page

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About 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.

How to install Sentinel Lens

  1. Tap Download — the app's official page on F-Droid opens.
  2. Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
  3. If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
  4. Open Sentinel Lens from your app drawer.

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