In PayPal, any recurring payments and subscriptions can easily be cancelled on the centralized "Pre-approved payments" page:
https://www.paypal.com/va/smarthelp/article/how-do-i-cancel-...
The process can be done in the PayPal app, or on any web browser. It is just as easy as Apple's process, and PayPal doesn't charge 30%.
PayPal is not a bank, however.