RubyMotion

RubyMotion is an IDE of the Ruby programming language that runs on iOS, OS X and Android. RubyMotion is an open-sourced commercial product created by Laurent Sansonetti for HipByte and is based on MacRuby for OS X. RubyMotion adapted and extended MacRuby to work on platforms beyond OS X.RubyMotion apps execute in an iOS simulator alongside a read-eval-print loop (REPL) for interactive inspection and modification.