iCrawler automatically navigates native iPhone apps and reverse engineers a model of their user interface states.
The technique behind iCrawler is published as a research paper at WCRE 2012. It is titled Reverse Engineering iOS Mobile Applications and is available as a PDF.
Add the iCrawler class files to your project, add the QuartzCore framework if needed. To start:
[window makeKeyAndDisplay]
// always call after makeKeyAndDisplay.
[[ICrawlerController sharedICrawler] start];