I think Apple's ban on Bitcoin clients in their app makes more people to jailbrake thier iPhone as I did to mine.
You are right! Have some problem with calling into Obj-C to update the GUI. I wish someone would help me as I am not capable to solve it by myself
Care to share what you've been doing so far? I've had to put this project on hold for the past few weeks but hope to get going again in a week or so.