Is there a feature in Ghost, when you can allow for non-members to read e.g. 3 premium stories per month and only after require member signup? Basically, same as a Medium feature: You have 3 free member-only stories left this month
I don’t think this is something that would be implemented, because of statements like this:
Real content gating
~ Ghost Features Page
There are lots of workarounds to view unlimited premium stories once you can view one premium story without payment.