Can I use iMac G5 PowerPC for iOS app development?
Depends how you want to develop, if you want to use the official tools and SDK, then you are out of luck:



What are the requirements for developing with the iOS SDK and Xcode?

To develop with the iOS SDK and Xcode, you must have an Intel-based Mac running Mac OS X Snow Leopard or later and you must be registered as an Apple Developer.

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