Trillian brings impressive multi-network chat to the iPhone
There are a lot of things to love about this pocket-sized version of Trillian, including its great-looking interface and its support for several different chat services. You'll need to sign up for a free Astra account if you don't already have one, but it's nice that Trilian's existing desktop users can just plug and play with no account setup required.
Little perks of Trillian on the iPhone include push notifications (yay!) and the ability to send photos. Managing contacts is also pretty easy. In fact, Trillian's the first iPhone chat app I've seen that has a straightforward way of moving contacts between groups.
I do have a couple of minor bones to pick with Trillian, though. First, no landscape keyboard? Seriously? IM is a typing-intensive activity, and the iPhone's small portrait keyboard doesn't cut it for fast and furious chats.
Second: it takes two clicks to close your current chat (the "more" button and then "end conversation"). Can't we just get a close button? These are minor issues with what's otherwise a great app, and a decent value at $4.99, especially if you use more than one chat service at a time.