Load any e-pedal to your iStomp from the Stomp Shop e-pedal store and virtual road case. * Stomp Shop offers more than 26 different e-pedals to choose from * More e-pedals are being added to the Stomp Shop each month * Compatible with all models of iPod touch, iPhone, and iPad running iOS 4 or later * Tunes acoustic and electric guitars, basses, mandolins, banjos and other stringed instruments