When you open the app, the top half of the screen is dedicated to selling you their subscriptions. If you're already subscribed, you won't see it. It looks like a settings app. If you're not subscribed, you enter an ad hell and you can't make those notifications disappear until you at least view the ads.

Ah, I have the 200GB iCloud subscription, no wonder then.

You can also not show notifications from specific apps, which I find much better.

I definitely appreciate the android interaction for notifications, in that I can long-press a notification and jump straight into settings to disable if I like.

I have most notifications disabled at this point.