Appcubby application's Tweet Speaker on the iPhone can read tweet, so you can listen while doing something else at the same time, especially while you're driving. Tweet Speaker uses Acapela's Text-to-Speech technology able to read and pronounce clearly, and users also can easily understand the app function as well.
Tweet Speaker can recognize acronyms like RT. It is pronounced "Retweet" immediately. If a message along with a link, Tweet Speaker will read a web page's title that is often described by reading the message that listeners can understand. Tweet Speaker can be used in conjunction with a web service like Tweet Marker to sync last message, which reads from other clients, and it's only supporting the English language. Users can download at iTunes App, Tweet Speaker at the price of 2.99 dollars.