I think the parental control app Circle does something similar (faux-vpn proxy). When I tried using Circle, it seemed a bit convoluted to me, so we ended up uni

I think the parental control app Circle does something similar (faux-vpn proxy). When I tried using Circle, it seemed a bit convoluted to me, so we ended up uninstalling it. So, I’m not sure how unique this method is. But, I’m not sure I can think of another way for a network blocking/security app to work on iOS.