App Lock - PIN & Fingerprint

App Lock helps you lock apps with PIN, pattern, and fingerprint so your private apps stay private.

Protect your chats, social media, photos, settings, email, and other personal apps with a fast and simple app lock experience. App Lock is built for users who want clean privacy protection without a complicated setup.

Why choose App Lock?

Lock apps your way
Use PIN lock, pattern lock, or fingerprint lock to protect the apps you choose.

Fast app protection
Lock selected apps quickly so your private content stays protected when someone uses your phone.

Simple setup
Create your unlock method, choose the apps you want to protect, and turn on protection in a few clear steps.

Designed for daily privacy
Use App Lock to protect messaging apps, gallery apps, work apps, browser apps, settings, and other personal content.

Clean and modern interface
Enjoy a simple design that is easy to understand in both light mode and dark mode.

Flexible unlock methods
Use one method or combine multiple methods for easier access on your device.

What you can do with App Lock:

Lock apps with PIN
Lock apps with pattern
Lock apps with fingerprint
Protect private apps
Choose which apps to lock
Manage your unlock methods anytime
Use a clear onboarding flow for setup
Open the privacy policy directly from inside the app

Important permission notice
App Lock uses the Android AccessibilityService API to detect when user-selected apps are opened and show the lock screen. This permission is used only for the core app locking feature chosen by the user. It is not used for any unrelated purpose.

Privacy and transparency
A privacy policy link is available inside the app and on the Google Play listing. Please review it before enabling protection.

If you want a clean app locker, privacy lock, fingerprint lock, pattern lock, or PIN lock solution for Android, App Lock is built to keep your selected apps protected with a simple and modern experience.