I've implemented a recurring subscription process for my Bubble app using Stripe and written up a detailed step by step article to share how you can do it too.
https://bubblebuilder.substack.com/p/how-to-receive-recurring-subscription-539
It is common to stumble across snippets of information on twitter about implementing payment processing but harder to locate one article explaining the process end to end. This article collates some of these snippets in once place, and explains how I joined them up to get a working system.