Sam Soffes

Ruby Motion Samples - Write iPhone Apps In Ruby

RubyMotion was just released by Laurent Sansonetti, the creator of MacRuby. RubyMotion lets you write iOS apps in Ruby!

RubyMotion is a revolutionary toolchain for iOS. It lets you quickly develop and test native iOS applications for iPhone or iPad, all using the awesome Ruby language you know and love.

RubyMotion is a commercial product with introductory pricing of $149. We wanted to cover it on The Changelog anyway since it’s such an exciting new tool with an open source heritage.

Writing Objective-C in Ruby is really fantastic, especially for Ruby engineers new to iOS. You can use all of the Ruby features like mixins, monkey patching, etc but on Objective-C objects. So when you make a string, it’s really an NSMutableString which is a Ruby String in MacRuby.

Probably the coolest thing about RubyMotion is that it statically compiles your Ruby code so it doesn’t have to include the entire Ruby source and an interpreter. In theory, it should be just as fast as Objective-C code.

RubyMotion even has an interactive REPL. See it in action in their demo. Skip to 3:58 in if you just want to see the REPL.

There’s a ton of stuff in RubyMotion that is just fantastic like the build system, REPL, testing, etc. Read my full review on my blog. Also, there are several sample applications on GitHub.


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