You certainly can compile iOS apps, with full access to Objective-C and Cocoa, on Linux. The platform does not make a lick of difference when you bring a cross-

You certainly can compile iOS apps, with full access to Objective-C and Cocoa, on Linux. The platform does not make a lick of difference when you bring a cross-compiler into the mix. That is somewhat like saying that OS X being written in Objective-C somehow makes it possible/easier to write iPhone apps (which again, are not at all tied to the runtime or architecture of the host compiler's system).