iRig. In this video guitarist Chris Buono demonstrates how to set up some amp modeling and effects configuration's in Amplitube. Amplitube is an amp modeling and guitar processing app from IK Multimedia that runs on Apple iOS devices like the iPad, iPhone and iPod Touch. Chris takes you through creating a setup from scratch and explains what each setting does and how to use it. For guitarists looking to add amp modeling to their rig but don't want to use a laptop this is a great place to start.