TMobile (USA) Minutes Used version 1.0 (for prepaid account)
The new version now supports prepaid TMobile account. Here is a screen shot of it.
You can download the version 1.0 here.
(save the file locally and then open it from Firefox: File->Open File...)
Next on my list is to support displaying multiple accounts, which seems to be a popular request. I am swamped by other things for now. So it has to wait a while. Stay tuned...