Voice Locker – App Lock The voice locker is an app that ensures the security of your apps. You can lock your phone using your voice. Speak a phrase and set it as a voice lock. You need to say that word every time to unlock the phone. The app lock provides you with a seamless and highly secure experience. Voice Screen Lock apps using pattern or pin and make them secure. Features of AppLocker & Screen Lock • Lock apps and phone gallery lock. • User-friendly interface. • Set Voice lock, PIN lock