How do I update my mobile app (iOS)?
Manual Update:
Open the App Store, then tap Today at the bottom of the screen
Tap your profile icon at the top of the screen
Scroll down to see pending updates
Tap Update next to an app to update only that app or tap Update All
Auto Update:
On your device, go to Settings
Tap on your name
Select iTunes & App Store
Turn on or turn off App Updates
When you turn off automatic updates, you receive notifications from the App Store each time an update for one of your apps is released.