How to setup a CMS as a backend for iPhone app

Question

I would like my iPhone app to get dynamic content off the net. This content should be managed using a CMS. I would like to know in particular if I can setup Drupal or Joomla or

Answer 1

Feed.Us is another option. I have a series of travel guides iphone apps and use Feed.Us to manage the businesses listed within the apps.

It creates a URL with XML that gets imported into the app.