Voice Screen Lock - Voice Lock is a free Android application developed by Media LAB Studio that allows users to lock and unlock their smartphones using their voice commands. With this app, you can set your own voice password and use it to unlock your device. In case you prefer not to use your voice password or it doesn't work, you can use an alternate pin code to unlock your phone.

This app is built on speech recognition technology. If the speech recognition service is not available on your phone, the app will guide you to download the Google app, which offers excellent speech recognition service. Additionally, this app allows you to use different lock screens with different patterns to secure your data or sensitive information. Overall, Voice Screen Lock - Voice Lock is a user-friendly app that enhances the security of your phone using your voice commands.