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Maybe not related, but is it possible that Apple does not want this app to exist because parts of it could be considered prior art for it's patent application?: http://www.pocket-lint.com/news/126980-apple-seeks-to-scan-y...

Pretty recently filed on Jan 23rd, not saying this has anything to do with the OP's rejection, but it could be planned future technology.

This deserves to be higher up in this thread. My first thought exactly.