(I've seen a number of other people ask about this, but no one seems to respond to the questions, not totally sure why)
Pretty straightforward situation: I have an annual subscription in my app now. I would like to add a lifetime membership that a user can buy that will replace the annual subscription, but that does not appear to be possible since 1) I can't cancel their old subscription directly, and 2) the lifetime membership can't be a subscription (since it's a one-payment lifetime purchase) and so can't be part of the same subscription group.
Has anyone encountered this/does anyone have a solution? Any tips would be super helpful.