You can buy the new version of iGtar here in the iPad-App-Store

This version of iGtar fixes an issue which would cause the app to exit during startup on iOS 5 devices.

iGtar Splash Screen

iGtar Information
iGtar How to Stop the Auto Rotation
iGtar Play it Like a Guitar
iGtar Play it with the Buttons
iGtar Keys and Chords
iGtar The Neck
iGtar Song Mode