Apple VP of Hardware Product Marketing Greg Joswiak confirmed that the iPhone and iPod Touch run the same software. He said that Apple is not bothered by the flood of native, third party software for the iPhone. Apple will not intentionally break the apps with firmware updates, but they will not go out of their way to prevent updates from breaking apps either. He very carefully left the door open to a further change in this policy, too, saying Apple is always re-examining its perspective on these sorts of things.”]
Source: https://gizmodo.com/apple-officially-neutral-on-iphone-and-ipod-hack-298667