There 2 different versions will be available from the iTunes App Store from next Friday, (29th March 2013 “Good Friday”).
C64: Elite Collection http://tinyurl.com/br7h6y2
C64: Elite Collection Free http://tinyurl.com/burlv2d
More info taken from Elite
“About C64: Elite Collection: is the first and only C64 app to be designed and optimized for use with the iPad.It is also a ‘universal’ app, meaning that it’s also designed and optimized for use with the iPhone, iPod Touch and iPad Mini and that the app and any in-app content purchased on any one type of Apple iOS device will be usable on all others, at no additional cost. C64: Elite Collection will be cross-promoted with BedroomToBillions.com ”