(a) you can find that out from ikmultimedia, the developer of the software
(b) I think it probably is but don't pay money without checking with the manufacturer of the software and
(c) while most people dislike t-racks, I quite love it and use it professionally when I'm in the mood. I use it sometimes for single tracks as well as for what most people incorrectly call "mastering" and it's useful for both.
it has a very beautiful tone overall and is another great tool in your plugin locker.