iRig Turns Your iPhone Into an Awesome Guitar Stompbox [REVIEW] We had a chance to go hands-on with a pre-release version of IK Multimedia's AmpliTube iRig, a small interface for your iPhone, iPad or iPod touch that allows you to plug a guitar or other instrument directly in to your mobile device. Combined with the AmpliTube app, the iRig turns your iPhone or iPad into a portable stompbox and jam