TwittMS offers the slickest way to send and receive Direct Messages within the Twitter network: just open TwittMS, tap on one of your buddies and type in your message. What is more, TwittMS keeps track of your conversations in chat-style views, so it's easy to pick up a conversation where you left off. Packed into a gorgeous application, you are finally able to use Twitter's Direct Messaging the way it's meant to be.
* View your conversations as ongoing chats
* Group your favorite contacts on multiple pages
* Optimized for responsiveness and low bandwidth networking
* Exquisit user interface and animations
Pricing and Availability:
TwittMS costs $1.99 (USD) and is available on the iTunes App Store.