App Lock vs Port Authority
Side-by-side comparison of two open source alternatives
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
Port Authority
A handy systems and security-focused tool, Port Authority is a very fast port scanner. Port Authority also allows you to quickly discover hosts on your network and will display useful network information about your device and other hosts.One of the fastest port scanners with host discovery on the market! Host discovery is typically performed in 3 seconds. If the device you’re scanning drops packets, it takes less than 10 seconds to scan 1000 ports. If the device you’re scanning rejects packets, it takes about ~30 seconds seconds to scan all 65,535 ports!Port Authority has no ads and will never have ads. It requires extremely limited permissions since it only needs to interact with your network. The internals are designed to take advantage of today’s modern phones with multiple cores to ensure you can scan your network as fast as possible.
| Feature | App Lock | Port Authority |
|---|---|---|
| License | MIT | GPL-3.0-only |
| Install sources | F-DroidGitHubIzzyOnDroid | F-DroidGitHubIzzyOnDroid |
| Categories | Password ManagerProductivity | Password ManagerProductivity |
| Features | Ad-FreeOpen SourceNo Tracking | Ad-FreeOpen SourceNo Tracking |
| Platforms | Android | Android |
| Website | ||
| Source code |