iOS: Tweetbot is one of the best Twitter clients for the iPhone and iPad. It's on sale today for just 99¢, down from its usual price of $2.99.
Tweetbot is our pick for the best Twitter client for iPhone because it manages to balance simplicity with features. It's easy to use, has lots of customisation options, and allows you to mute topics so you're not overwhelmed by things you don't care about. Both the iPad and iPhone versions are on sale for a limited time.