Rob Rhyne, the author of Briefs, gave up getting his mockup App approved after a year of trying. The reason the app didn’t get approved? It saved it’s data in XML files which could be traded. Apple decided to label that as “running external code” which is not allowed in the AppStore.

Here’s what the author says – and a download link for the source code of Briefs,

http://blog.robrhyne.com/post/4179305832/always-a-bridesmaid