If you already know some JavaScript, Titanium (http://www.appcelerator.com/) seems pretty interesting. It compiles down to the native language of iPhone and/or Android. I haven't used it extensively, though, and am curious what others think about it.
Ruby alternative - RubyMotion
C# alternative - MonoTouch
That being said, I still think Objective-C is the way to go if you are an individual developer. For a company with a large .NET base of coders for e.g. makes more sense to use MonoTouch.
Comments
If you already know some JavaScript, Titanium (http://www.appcelerator.com/) seems pretty interesting. It compiles down to the native language of iPhone and/or Android. I haven't used it extensively, though, and am curious what others think about it.
Ruby alternative - RubyMotion C# alternative - MonoTouch
That being said, I still think Objective-C is the way to go if you are an individual developer. For a company with a large .NET base of coders for e.g. makes more sense to use MonoTouch.