AppLock: Privacy & Fingerprint

Protect your privacy and secure sensitive data with App Lock, the fast, reliable, and lightweight app locker for Android. Whether you need to lock individual applications, safeguard confidential messages, or hide personal media in a secure photo vault, App Lock provides total privacy protection using Fingerprint, PIN, and Pattern security.

Never worry about friends, parents, or coworkers snooping on your phone, reading private chats, or browsing personal photos.

🛡️ LOCK ANY APP INSTANTLY
Keep your apps private with one-tap security.
• Social Apps: Lock WhatsApp, Instagram, Facebook, Messenger, Snapchat, Telegram, X, and TikTok to keep personal conversations confidential.
• System & Utility Apps: Secure Settings, Contacts, Messages, Phone, and Gallery to prevent unauthorized changes or accidental file deletion.
• Payment & Banking Apps: Safeguard Google Pay, PayPal, mobile wallets, and banking apps against accidental purchases or unauthorized transactions.

🔒 SECURE PHOTO VAULT & VIDEO HIDER
Keep private media hidden away from your device's standard gallery.
• Hide Photos & Videos: Move sensitive pictures and video clips into an encrypted, hidden vault.
• Invisible from Gallery: Hidden files remain invisible to media scanners and unauthorized file explorers.
• Fast Export: Restore hidden media back to your public gallery anytime with one tap.

🔑 MULTIPLE LOCK OPTIONS
Choose the security method that matches your everyday routine.
• Fingerprint Lock: Unlock apps instantly and seamlessly with biometric recognition on supported devices.
• PIN Passcode: Set a secure 4-digit or 6-digit numeric passcode with randomized numeric keyboard options to prevent screen peeking.
• Pattern Lock: Draw a customizable pattern with an invisible path mode so bystanders cannot trace your gesture.

📸 INTRUDER SELFIE & ACCESS ALERTS
Catch unauthorized users trying to open your locked apps.
• Automatically snaps a secret photo when an incorrect PIN, pattern, or fingerprint is entered.
• Logs the exact date and timestamp of every unauthorized access attempt.
• Review snooper photos directly inside the app to see who tried to break in.

🎭 ADVANCED PRIVACY & DISGUISE TOOLS
• Icon Disguise: Replace the App Lock icon on your home screen with a functional disguise (such as a Calculator, Notes, or Weather icon).
• Fake Crash Screen: Show a fake error dialog ("Unfortunately, the app has stopped") to trick unwanted users before revealing the lock screen.
• Re-lock Timing: Customize when apps re-lock—immediately on screen turn-off, after exiting, or after a custom delay.

⚡ LIGHTWEIGHT, SAFE & PRIVACY-FIRST
• Battery & RAM Friendly: Optimized engine ensures minimal background resource consumption and battery drain.
• 100% Offline Processing: Your private photos, passwords, and app data never leave your device. No cloud uploads or external server tracking.
• Uninstall Protection: Prevent unauthorized users or children from uninstalling the app to bypass protection.

Permissions Notice:
To detect when an app opens and display the secure lock screen, App Lock requires Usage Access and Display Over Other Apps permissions. Biometric permissions are used exclusively to verify identity locally. Your personal data is never gathered, stored remotely, or shared.

Download App Lock today to take control of your device privacy with complete peace of mind.