Safeguard your privacy, lock contacts, messengers & other apps with AppLock Packed with powerful functionality and slick UI, AppLock is the top locking app that enables you to protect your data and lock apps from intruders in a matter of few clicks. How does AppLock work? Having configured the basic AppLock settings upon the first sign-in, you only need to open AppLock and tap the app - to switch on the app lock protection. Key features: • Powerful Message Locker Lock Facebook Messenger