If you've used C or Java before, you can become "pro enough" in ObjC in a matter of hours, maybe even 1 hour. The real work of designing an iOS app is getting

If you've used C or Java before, you can become "pro enough" in ObjC in a matter of hours, maybe even 1 hour. The real work of designing an iOS app is getting the interface right, and any complex logic you might have. Nothing esoteric about day-to-day expressing yourself in ObjC -- plus Cocoa provides so many nice features that the verbosity you may gain coming from Ruby is offset by the amount of coding Apple took care of for you.