I haven't tried either yet, but there's jRuby for Android via Roboto[1] and MobiRuby[2] for iOS. Both are free. [1] http://ruboto.org/ http://ruboto.org/ [2]

I haven't tried either yet, but there's jRuby for Android via Roboto[1] and MobiRuby[2] for iOS. Both are free. [1] http://ruboto.org/ http://ruboto.org/ [2] http://mobiruby.org/ http://mobiruby.org/