A free app for Android, by KewlApps.
AppLock is a simple, useful app for Android devices that can be used to lock your applications and protect your privacy. It is compatible with a wide variety of applications, including Facebook, WhatsApp, Gallery, Email, and more.
It allows you to lock programs via fingerprint, pattern, or PIN. It is simple, convenient, and secure.
The AppLock icon will appear in the notification bar of the locked application. You can open it and start using it immediately. Moreover, this program is light and won't drain your phone's battery.
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