NewsTap 5.1 - Usenet Newsreader

NewsTap is an Usenet Newsreader for the iPhone and the iPod Touch.
Giganews Newsgroups

You can download NewsTap from the Apple AppStore.

There's also a free "Lite" version of NewsTap available in the AppStore. This allows you to test the App before buying it. The Lite version has some limitations: you can only subscribe to two news groups at the same time, there's no sync feature available and the App shows some ads (iAds).