How to enable or disable push notifications on iOS?

Depending on what notifications you want, you can change settings for certain apps. To enable and disable notifications, you should do the following:

1. Open your Settings app.
2. Tap Notifications.
3. Swipe up until you see a list of your apps.
4. Find the app you want to turn on/off notifications for and tap it.
5. Click Allow Notifications if you want to receive notifications..

You can read detailed information about your iOS device here.