Then don't purchase an SMS plan at all (sorry, can't help you with the data part). Tidbits' Jeff Carlson notes that you can send SMS messages for free by using the iPhone's free AIM chat client.

Google will block an iPhone application that harnesses its Google Talk chat program to provide a free text-message service after too many users flocked to download it. The Infinite SMS app, which ...

Naturally, this means that the Infinite SMS app for the iPhone / iPod Touch has also been discontinued. The good news is that the proprietary SMS service are still available in Labs, so it’s not ...

This SMS-to-e-mail app features some improvements upon the pre-iPhone 3.0 version of the iPhone's built-in SMS app. But the clunky app-switching entailed by frequent use of SMS Touch won't work as ...

Google will block an iPhone application that harnesses its Google Talk chat program to provide a free text-message service after too many users flocked to download it. The Infinite SMS app, which ...