I have to ask how that's the fault of the IAPs? Sounds like the developer screwed you out of something you paid for with an update, which could happen with or w

I have to ask how that's the fault of the IAPs? Sounds like the developer screwed you out of something you paid for with an update, which could happen with or without the IAP model. The closest thing I can think of is what Apple did to Final Cut Pro users, or what Sony did to Other OS users on the PS3.