Crazy Voice is an app to convert the pitch of an audio file,or the sound recorded by iphone.
How to use this app is really simple.Just use the iphone to record your voice and press start button to convert your voice.
2)change the pitch of the voice
Use it you can change a man's voice to a woman's voice.
Of course, it also can change a woman's voice to a man's voice.
You should always heard that from News Channel.
Have fun and be creative!