In practice, that means the company that runs your phone’s operating system—Apple or Google, for the overwhelming majority of Americans—will decide how push notifications function in your life.

Push notifications […] aren’t sent directly from the app provider to users’ smartphones. Instead, they pass through a kind of digital post office run by the phone’s operating system provider.

The system allows apps that receive push notifications to decrypt the incoming payload and download additional content from their servers to enrich it before it's served to the user. Once this ...

iOS notification changes. At the time, Apple said that the new bottom-up design for iOS 16 notifications was meant to reduce the clutter on your Lock Screen.