If you’re looking for tons of features and ease-of-use on the iPhone, you’re going to have to throw down a couple bucks.
Ranked #10 in Twitter 100
Ranked #25 in Twitter 100
A full set of features and super-flexible customization options make this Twitter app a no-brainer for Android users.
32Echofon for iPhone
Ranked #32 in Twitter 100
The free iPhone and iPod Touch app Echofon offers all the necessary features of Twitter while improving some of them.
Ranked #39 in Twitter 100
Who needs an iPhone when you can get all the features of Twitter on the Blackberry that never leaves your hand?
Ranked #50 in Twitter 100
Design snobs will revel in this sleek and shiny iPhone and iPod Touch app that’s full of handy Twitter features.
Ranked #92 in Twitter 100
Even if you don’t have an iPhone, that doesn’t mean you have to go without a robust mobile Twitter experience.
Ranked #93 in Twitter 100
This trend-tracking iPhone app helps you stay up-to-date with all the most popular topics among your friends and Twitter as a whole.
Ranked #96 in Twitter 100
Looking for a Twitter tool for your Android phone? Twidroid is among the best, supporting all of the usual services — and then some.