So they only allow it with apps, but not what’s considered web apps / service workers.
Essentially the world is moving away from needing a stand-alone app for websites and instead to embedding that functionality to web pages which are mobile friendly and responsive.
Good read here about it if interested (earning a bit technical) iOS Push Notifications: Are we there yet? (Hint: Almost) [Updated]
Makes sense. I’m curious as to Apple’s reasoning.