The unified timeline lets you browse mentions and direct messages from a single view and the new theme panel enables you to tailor the way tweets are displayed. Quickly respond to tweets, change accounts or view conversation threads with minimum effort using gestures. Robust VoiceOver support means Twitterrific is accessible for users with vision impairments.2- Tweetbot
Tweetbot provides the following features :
- Multiple Timelines. Quickly switch between your lists as your main timeline.
- Smart Gestures. Use Twitter more efficiently with time-saving and configurable gestures.
- Native Push Notifications.
- Mute filters lets you block messages from users without unfollowing them.
- Sync timeline position, direct message read statuses and mute filters between iPhone and iPad via iCloud.
- Customizable Navigation. The last 2 tabs are customizable and unused tabs are easily accessible. Support for multiple services like Pocket, Instapaper, Readability, CloudApp and Droplr.
- Save drafts, add locations and POI's, attach photos/videos/notes, manage your lists, and much more.
Lightning Fast. Super Powerful. Simple to Use. Echofon is wrapped in a beautiful, clean interface that delivers a punch featuring Twitter Site Streams, real-time Push Notifications and powerful extras to enable you to manage your busy social media life on Twitter.4- CovertChirp
As featured on TUAW Covert Chirp is the best way to check your Twitter feed at work or school without your boss or teacher knowing!5- Twitpic
The first ever photo sharing site for Twitter comes to the iPhone! Twitpic is the easiest and best way to share your photos and videos with your Twitter followers.6- Tweetlogix
Tweetlogix makes Twitter on iOS better than ever. Powerful filtering lets you instantly mute users, keywords or phrases. Design your own color themes, view inline images, search nearby, and much more. All in a simple, fast, easy-to-navigate app. Visit tweetlogix.com to learn more.7- The Social Radio for Twitter
Listen to your tweets while doing anything else? Now it's possible! The Social Radio converts your Twitter stream into a human-friendly audio experience.