BEN10 MouthOff™ was born out of the super success of our MouthOff™ application. Download the MouthOff™ iPhone apps from iTunes. The new sound-reactive BEN10 MouthOff™ iPhone app by ustwo allows you to stop wondering what you’d look like with the mouth of a Ben 10 alien, because now it’s possible to use the Omnitrix interface to select one of 10 official Ben 10 characters, hold your iPhone in front of your mouth and start to speak (or roar). Download the MouthOff™ iPhone apps from iTunes. Read more about BEN10 MouthOff here.