Already have iGrand Piano Free for iPhone or iPad? Well you can upgrade to the Full version at the special $11.99/€10.99 price through in-app purchase as well.
iGrand Piano includes 7 pianos with an eighth that can be unlocked when you register your app. 9 additional studio-grade pianos are included in the Piano Expansion Pack through in-app purchase.
iLectric Piano includes 19 electric pianos, plus an additional 22 pianos available in the Electric Piano Expansion Pack through in-app purchase.