Security & Privacy · Open source
App Lock
Pranav Purwar
Secure your sensitive apps with powerful biometric protection using AppLock!
Opens the official F-Droid page
About App Lock
Secure your sensitive apps with powerful biometric protection using AppLock!
AppLock is a modern, open-source privacy tool designed to keep your sensitive apps safe. With a beautiful Material 3 Expressive interface and robust biometric security, AppLock ensures your data stays private — always on your device, never in the cloud.
Features:
* **Material You Design**: Seamlessly adapts to your system theme
* **Biometric Unlock**: Use face unlock, fingerprint or PIN for fast, secure access
* **Anti-uninstall**: Prevents unauthorized removal
* **Unlock Timer**: Optional timer to keep apps unlocked for fixed time period after unlocking
* **No Root required**: Works on all devices without root access
* **One-tap protection**: Lock any app instantly
* **Real-time monitoring**: Protects apps as they launch
* **100% offline**: No ads, no trackers, no data collection
Perfect for:
* Privacy-conscious users wanting to secure sensitive apps
* Securing banking, messaging, and social apps
* Parents restricting access for children
* Professionals protecting work apps
App Lock is designed to be lightweight and efficient, with minimal battery impact. It runs entirely offline, ensuring your data remains private and secure.
Built with Jetpack Compose and Material 3 for a smooth, intuitive experience. AppLock is free, open-source, and respects your privacy — always.
Source code and issue tracker: https://github.com/PranavPurwar/AppLock
What's new in 2.5.1
* fix previous passwords breaking * fix password screen showing again on back press
How to install App Lock
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open App Lock from your app drawer.





