$0.99 from MediaProbe Inc.
RSS Probe is a fast and simple feed reader supporting the both RSS 1.0/2.0 and Atom 1.0 formats. With its iPhone savvy user interface, you can quickly access various feeds, and even look at its original web page without launching Safari.
On the setup screen, the URL of your OPML file can be specified to import your favorite feeds, so you can easily pick up and add the desired feeds. (Your OPML file must be uploaded on the Internet prior to this operation.)
– The maximum number of feeds: 20
– The maximum number of entries per feed: 25