Twitterific: An easy to use Twitter client for your iPhone

Platform: iPhone
Developer : The Iconfactory

Twitterific is an easy to use Twitter client for your iPhone. You can login using multiple accounts, do quick Twitter searches and filter tweets. One can also look for trends in unified timelines, direct messages and faves. There are also separate conversation threads and customisable visual themes and layouts.

It also shortens URLs automatically along with email and fast RTs and text compression to fit your bill.

Price: Free