Amazing for sure, a well designed database can turn into an app in record time, Pro has been a solid investment for me. The product is still in the early stages, pros and cons of weekly releases but more pros imo. Support is solid, quick turnaround on bugs/requests.
You can trial it only once. You have already trialed in on the same machine you won't be able to start a new trial. Otherwise you are presented with a registration dialog on first start which needs a valid email to start the tria.
What do you mean?
It seems to close the editor just fine. What do you expect it to do?