App Lock - App & privacy protection
Keep your apps secure & private with customizable locks, ensuring only you access sensitive information even on shared devices!

- 5.7.1 Version
- 4.5 Score
- 3M+ Downloads
- In-app purchases License
- 3+ Content Rating
Secure your applications using a pattern.
Protect your apps with a password.
Supports fingerprint recognition.
Safeguard your privacy by locking apps such as WhatsApp, Facebook, Gallery, or any application you choose.
Secure your applications with a "safe" yet "simple to unlock" pattern.
Use various methods to lock your apps, including patterns, passwords, and a keypad, making it quite engaging.
You have the ability to customize your lock, such as altering the type of lock and changing the background.
- Social media apps: This app can secure Facebook, WhatsApp, Messenger, Vine, Twitter, Instagram, Snapchat, WeChat, among others. No one can snoop on your private conversations anymore.
- System applications: The app can secure Contacts, SMS, Gallery, Videos, Email, etc. Your settings for system applications won't be tampered with.
- Payment apps: It can protect Android Pay, Samsung Pay, Paypal, etc. Nobody can access your wallet to make purchases.
- Additional applications: This app can safeguard any third-party apps, including Gmail, YouTube, games, and more. Fully protect your personal information.
★★★ With this app, you will:
- No longer stress about parents checking your Snapchat or Musical.ly!
- Not worry about friends borrowing your phone to play games using mobile data!
- Be at ease knowing colleagues can't browse your gallery on your phone!
- No longer fear someone reading your private information in apps!
- Be assured that kids won’t mess up settings, send incorrect messages, or make purchases without permission!
★★★ This app allows you to:
- Lock any application (messages, games, photos, videos, etc.)
- Use a fake forced close pop-up to lock apps.
- Apply multiple passwords for increased security.
- Lock incoming calls.
- Secure system settings from children meddling.
- Prevent purchases in Google Play.
- Lock messages, calls, and other functions.
★★★ Features:
- Pattern lock: features an intuitive interface for quicker unlocking!
- PIN lock: provides a safer option for securing apps.
- Customization: allows changes to type, buttons, and wallpaper.
- Highly effective app locking.
- Strong security measures.
- User-friendly and quick operation.
- Minimal storage requirements and low memory usage.
- Energy-conserving mode to extend battery life.
- The app secures your photos, gallery, and messages from prying eyes and nosy acquaintances, acting as your privacy shield!
- The leading app lock & privacy protector is an exceptionally smart application!
- Provides comprehensive protection for your device.
- Supports multiple languages.
- Accurately and intelligently locks your apps.
- Excellent performance and energy efficiency.
- Offers a variety of aesthetically pleasing lock styles.
Note: This app requires Device Administrator permissions to prevent unauthorized uninstallation by malicious users. You can enable or disable this feature in your device settings.
Your Digital Fortress with Elegant Simplicity
From the moment I enabled AppLock’s pattern shield over my WhatsApp gallery, I breathed a sigh of relief I hadn’t realized I needed. As someone who often lends their phone at work and family gatherings, this tool transformed privacy from an abstract concern into tangible armor. The brilliance lies in its fluid flexibility: one tap locks apps behind your choice of pattern, PIN, or fingerprint—I now unlock my banking apps with a fingerprint flick yet use a retro keypad for nostalgic games. But the true stroke of genius? The fake force-close pop-up. Watching my cousin "accidentally crash" my photo gallery when she tried snooping was darkly satisfying; she shrugged it off while my vacation pics stayed invisibly guarded.
What astonishes me is its surgical precision. System-level control stops kids from blowing mobile data on games or tweaking settings, while payment app lockdowns prevent wallet-draining surprises. Customization elevates it beyond utilities: I’ve matched lock-screen wallpapers to my apps’ aesthetics (moody blue for Telegram, vibrant grids for Instagram), turning security into a personal statement. The ultra-light footprint means it runs silently—no battery drain or lag—while features like call blocking and Google Play purchase locks add fortress-like layers.
For travelers, parents, or anyone craving digital autonomy, AppLock isn’t just a barrier; it’s peace of mind incarnate. Loan your phone freely. Share memes without exposing DMs. Let colleagues borrow it without rehearsing excuses. This app transforms vulnerability into quiet confidence—proof that the best guardians work invisibly, elegantly, and without compromise.
- Version5.7.1
- UpdateJul 07, 2025
- DeveloperSmart Mobile Tools
- CategoryTools
- Requires AndroidAndroid 4.4+
- Downloads3M+
- Package Namecom.fragileheart.applock
- Signatured875cf590a86f7799a8f5a0218b10fb6
- Available on
- ReportFlag as inappropriate
Provides high-level encryption
Supports fingerprint, PIN, and pattern locking
Admin protection to prevent uninstallation
Works smoothly with major Android devices
Minimal ads compared to competitors
Easy to use interface
Allows for individual app locking
Offers a forgotten password mechanism
Facilitates focus by blocking distracting apps
Regularly deactivates itself, unlocking apps
Inconsistent performance in background
Ads can interfere with user experience
Limited lock options (only pattern or fingerprint)
May not protect apps from being uninstalled
Sometimes drains battery excessively
Lack of advanced features like intruder selfies
Issues with email reset functionality
Bugs causing random unlocks and app access