I run a SaaS for licensing: https://keygen.sh https://keygen.sh. To ensure the app isn't shared and used across many devices, you can use device activation. You

I run a SaaS for licensing: https://keygen.sh https://keygen.sh. To ensure the app isn't shared and used across many devices, you can use device activation. You can integrate it with Stripe pretty easily using webhooks. I'm working on adding a no-code Stripe integration for payments + licensing later on this year, if my roadmap holds up.