Originally Posted by GreenBliss420
You should write the developer and ask him. I just felt it was relevant to post the link with the other dev versions.
I looked into it more: The appeal that I think most people get out of it is that it excels in classical time controls, not just correspondence chess. I see your point about the use of it for correspondence but if I was ever to use it (I haven't downloaded it yet) it would be for legitimately classical games. I don't even play correspondence.