Tap or click for other ways of increasing your Android phone’s speed. It also offers a cleaner that can free up storage space on your phone.Ī battery saver within it can help you save power and extend your battery life, a cooler to keep your phone’s CPU at a safe temperature, and a booster to improve your phone’s speed. We like AppLock because it can enable fingerprint locking to protect individual apps in addition to a passcode.

You’ll be notified that the lock was successful.Select an app you wish to lock with the passcode you’ve created while inside AppLock, then tap the “Lock” button.Give AppLock permission to open on top of other apps when prompted (this will create the lock later).Make sure it’s not the same as the passcode you use to lock your phone. Open the app, and when prompted, input a password to use with individual apps.

Using AppLock, or any locking app, is pretty simple: There are a few apps called AppLock on the Google Play Store, and you’d be OK with most of them, but the one we’ve seen most often, and like the best, is the free AppLock made by DoMobile Lab.

The most recommended locking app for this purpose is AppLock.

Best folder lock app for android