If you intend to use push notification on your mobile app to get in touch with your mobile user, do consider the below inforgraphics. Personally, I turn off all my notifications in order to be productive. While keeping 2 to 3 most important apps, which is a must have for instant push notification. They are: banking app and stock app. Can you make your push notification a must have? Think about it from user standpoint. The below should give you a really good idea on where to start.