Tweetie is a super iPhone client for Twitter developed by Atebits which finally came to replace the previous clients that I used. Tweetie is simply the best application I know for consult Twitter on iPhone. The application has the particularity of being built entirely on the models of the iPhone interface, and this is a bit like the SMS app.
In fact, its navigation is Simple and the app launchs very fast. The first specificity is handle multiple Twitter accounts seamlessly, because I use a personal account and a dedicated account. It's simple and complete that Tweetie your tweets load extremely quickly launch. You have a navigation flows generally replies, direct messages, favorites and more options, namely your profile page, search for a user, relatives and users search the network Twitter.
Tweetie costs € 2.39 and is therefore reserved for experienced users - who are becoming more numerous - but will give you full satisfaction.
Tweetie 2.1 for the iPhone and iPod touch hit the App Store Sunday evening and adds New Retweet, Lists Support.
I use this application has already more than 5 months and this is my favorite. It is much better than the others I tested. It's Simple and effective.