A couple of questions - the end result is a video, technically, right? its not on top of the actual app. Secondly, if I create one of these, I have to pay a su

A couple of questions - the end result is a video, technically, right? its not on top of the actual app. Secondly, if I create one of these, I have to pay a subscription fee the entire time I use it? I can't just pay a fee for generating it and self-host?