Here is an example project on github: https://github.com/jlongster/gambit-iphone-example https://github.com/jlongster/gambit-iphone-example I used Emacs which

Here is an example project on github: https://github.com/jlongster/gambit-iphone-example https://github.com/jlongster/gambit-iphone-example I used Emacs which spawned a REPL connected to a live instance of the app and developed from there. Meaning, the app was running in the simulator/device, and I could evaluate code and instantly see changes.