Push notifications have background notifications that are used to update apps while they aren't loaded. We used them update our catalog/home screen on shopping

Push notifications have background notifications that are used to update apps while they aren't loaded. We used them update our catalog/home screen on shopping app, its makes the app feel much more responsive when they open the app and content instantly appears instead of waiting for some API calls. https://developer.apple.com/documentation/usernotifications/setting_up_a_remote_notification_server/pushing_background_updates_to_your_app https://developer.apple.com/documentation/usernotifications/...