About this app

Why Choose Smart App Locker?
App lock supports app locker with lock, password lock. Providing you with fluent lock experience with privacy protection. Guard your private data to keep your phone and app safer. You don’t have to worry about others messing up your phone without your authorization. App lock also provides battery saver, phone cleaner, antivirus, and more functions!

Want to lock your important apps like Instagram, Snapchat, WhatsApp, Hangouts, WeChat, Facebook, Twitter, Gmail, Camera, Hide Gallery, Hide Photos, Hide Videos etc. Lock them easily on your phone. Completely Free, No Ads, and Small size.

How does it work?
• Lock any app in the Smart App Locker.
• When the locked app is launched on your phone, your will be asked for a password.
• Enter the set password to unlock the app.

Smart App Locker can lock Social apps:
Facebook, Whatsapp, Messenger, Instagram, Tumblr, WeChat and so on. No one can peep 👀 at your private chat any more;

Smart App Locker can lock System apps:
Gallery, SMS, Contacts, Gmail, Settings, incoming calls and any app you choose. Prevent unauthorized access and guard privacy;

Smart App Locker has photo vault. Keep safe gallery and hide your photos, videos without worrying about others see
Smart App Locker support screen lock. Prevent strangers from using your phone without your permission.

Real-Time Protection
Monitor the new installation and app updating, real-time remind avoiding potential risks, keeping your devices safe.

Photo vault
Easily encrypt and hide photos & videos

Safe Lockscreen
AppLock secure your phone from intruders with PIN and pattern lock security.

Required Permissions And Privacy Notes
Usage Stats Permission:
To lock apps, we need to be able to see the last running app. For this, we ask for your "Usage Stats" permission.

Overlay Permission:
We ask for "Display Over Other Apps" permission so that we can show the lock screen over the locked app.

Camera Permission:
We ask for your camera permission so that we can take photos with the front camera of intruders who try to open your locked apps without your permission.

App List:
We need to list your apps to choose which apps to lock. We ask for your permission for this.

Smart App Locker is a free app locker that guards your privacy by preventing intruders & snoopers from peeping at your private data. It hides sensitive photos and videos by encrypting your Gallery, keeps children or snoopers away from messing up your settings, deleting important things, making in-app purchases or any such thing. You can customize app lock settings as you want, to make your phone more secure with just one app - Smart App Locker.

App Permissions

This constant was deprecated in API level 21. No longer enforced.
Allows an application to collect component usage statistics
Declaring the permission implies intention to use the API and the user of the device can grant permission through the Settings application.
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.
Permission an application must hold in order to use ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS.
Allows an app to create windows using the type TYPE_APPLICATION_OVERLAY, shown on top of all other apps.
Allows applications to open network sockets.
Allows applications to access information about networks.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows an application to read from external storage.
Allows an application to write to external storage.
Allows applications to access information about Wi-Fi networks.