Seems to me that notifications were essential to the functionality of this app, you can't get that with a web app. Of course the "web app is sufficient" point

Seems to me that notifications were essential to the functionality of this app, you can't get that with a web app. Of course the "web app is sufficient" point is irrelevant though, it's fundamentally weird that someone is making arbitrary decisions on which apps are allowed and which ones are not.