Osfoora friends stream. Click to enlargeOsfoora HD is a great looking, full-featured native iPad Twitter app. It's taken a little while for these iPad apps for Twitter to show up, but with Osfoora the gap is finally closing. They have taken a good iPhone app and made a fantastic iPad app.
TweetMic lets you record audio clips on your iPhone and post them to Twitter. It has an intuitive interface that makes posting audio files on Twitter completely painless. TweetMic Pro has multiple twitter account support.
UPDATE: Tweetie is now the Official Twitter App for iPhone, simply called Twitter
The app so nice he made it Twice! Tweetie 2 is an award-winning Twitter app for the iPhone and iPod Touch, stowing away an unbelievable number of features into a simple, easy, attractive interface. Seriously!! Every pixel of this interface is precisely designed and intuitive to use.
TwitBird Pro is a full-featured iPhone Twitter app that supports landscape view for tweets and the inline web browser. As they claim in the App Store description, landscape view is available on pretty much every screen of this iPhone app. If you are a fan of typing or web browsing with a wide screen on the iPhone, this is the twitter app for you!
Nomee collects many social networks, allowing you to focus on following people instead of websites. It tracks a huge number of social networks. Nomee does not cater to any one social network extensively, including Twitter. Still, it seemed appropriate to write up its actual tweeting abilities for those curious about using this social dashboard.
Nambu is a feature-rich Twitter app for Mac OS X that supports many social networks. It offers plenty of configuration options but has simple defaults for beginners. It also has excellent integration with its sister services, tr.im and pic.im
Tweetie is a gorgeous, full-featured desktop Twitter client for Macintosh. atebits is the company behind Tweetie, already known for the fantastic iPhone version of Tweetie. Notable features include:
Twitterrific for iPhone is a fantastic, feature-packed iPhone twitter app for beginning and advanced users alike. First of all, their 2.0 release saw a major performance and feature overhaul compared to the original version, which was a great twitter app to begin with. This interface is amazing! It's quick and responsive, and scrolling past a hundred tweets with one flick is no problem. But it's not just looks, because there is a LOT packed under the hood:
Tweetie is a full-featured Twitter client for the iPhone with an extemely fast and responsive interface. This twitter app tailors to the power users while being easy to use for beginners. Features include:
TweetDeck is a feature-stuffed multi-column Twitter app for the iPhone. It is already a major desktop twitter client, running on Adobe AIR, with all the features anyone could ask for (including multiple accounts as of 0.26), so it seemed like they would spend all their time making a great user interface. They packed it all in there, but at the expense of usability. From their website: