They don't have a subscribestar page. I think you are confused about something, but I'm not sure what's confusing you...
https://subscribestar.adult/xperiment261?redirect_notice=true
Okay, I guess they do. They... definitely do not use it. Ever. I wasn't even aware of it, and it's not linked anywhere that I know of. Hell, the dev may not even be aware it still exists.
