A free app for Android, by Sudo Mudo.

If you are looking for a way to change your voice and sound like a girl or boy, then you have come to the right place. This is an application that can help you achieve that. The best thing is that it is free and easy to use. All you need to do is to install it on your Android phone or tablet, and you will be able to change your voice in a matter of seconds.

The app can be used to make the voice sound like a girl or boy, and it is capable of doing that with a high quality.