Alternatives to Cocoa
Xcode 5 Start to Finish teaches Xcode, and incidentally Cocoa, but there are alternatives. Here are some you should explore.
Titanium and PhoneGap are frameworks for writing cross-platform mobile applications, including iOS. Both are built around JavaScript. They provide callouts to native libraries for access to features like GPS, accelerometers, and cameras. Both are open source, with support from their parent companies—Adobe for PhoneGap and Appcelerator for Titanium.
You will still need an iOS Developer Program membership to run your apps on a device.
Adobe PhoneGap
You develop PhoneGap applications mostly with whatever web site—building tools you are most comfortable with, including Adobe Dreamweaver. UI specification ...
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