Reply To: JoCoJollyGoodShoAGoGo – The UK Tour
Here is one that could do it http://www.itouchmidi.com/
This one looks to be free though and JoCo did say he BOUGHT software to do it, maybe he got ripped off.
ETA: it would appear the mac software is free but you pay for the iPhone apps.
AETA: As I have said before/elsewhere JoCo probably just used the same midi tracks he uses with the zendrum just using a different midi controller