Hold your iPhone in front of your mouth and talk, shout, laugh, scream or sing to get the mouth of your choice to animate in time with the sounds you make.
58 Sound Reactive cartoon mouths
12 top illustrators
Hundreds of user videos
Millions of YouTube hits
1 amazingly crafted MouthOff™ app
If you like MouthOff™ you should download Ben 10 MouthOff™ or Ben 10 Alien Force MouthOff™ both available on iTunes.
WARNING:
MouthOff™ is for use on iPhone. It also works with 2nd generation iPod Touch but you MUST have headphones that have a built in microphone. MouthOff™ DOES NOT WORK AT ALL WITH 1ST GENERATION iPOD TOUCH!