A free program for Android, by AIO Studio Best Apps For Mobile.

AppLock is an Android security and privacy application that lets you lock apps, photos, videos, and other private data with a PIN, pattern, or fingerprint. The app can also hide apps you install on your phone so that no one else can see them.

There are a number of ways you can secure your device, but the most basic and easiest way is to use the AppLock PIN.

What is AppLock?

AppLock is a simple application that you can install on your Android device. Once you install it, you can set a PIN, pattern, or fingerprint to secure apps. You can also hide apps you install on your phone so that no one else can see them.