I know you have your reasonings, but I’ll give you my raw unfiltered train of thought of why I wouldn’t sign up in case it helps you in your business:
“It’s only 30 bucks a year” say 100 other apps. I get it, you’re trying to make money, but there are many other ways of doing this for free. You’re not offering that much product to me that’s worth a subscription. Netflix? I actively use it every night. Spotify? Several hours a day. Blocking ads? Maybe a one time fee.