UniBox

Summary
The UniBox app was first seen on screens from a development iPhone 4 for the US T-Mobile 3G Network. Judging by strings from inside the application, it is a communication tool with voicemail. According to another rumor Unibox is "pushing" Switchboard applications to the iPhone.

Revisions

 * 2.0
 * 2.0.2 (released 26 May 2011): Amazing new features
 * 2.0.3 (released 24 June 2011): amazing features

iTunes Link
 UniBox (no longer available)