"Unlock with Voice" is a free personalization app developed by BarGuys for Android devices. It allows users to set up a voice password and a backup password to unlock their phone screen. The app is designed to be the most precise lock screen that reacts to the user's voice.

The app is easy to use. Once the user has set up their voice password and backup password, they just need to turn off their phone screen. To unlock the phone, the user just needs to say their voice password. The app is very quick to recognize the user's voice, making it a very convenient way to unlock their phone screen.