Iphone app store not updating applications
Do the following: If you have already enabled this option on your device, move to the next step.
See also: i Phone touch screen not working Complaints such as “My i Phone won’t download apps anymore” are pretty common, and users often forget how effective a simple restart can be.
If your i Pad or i Phone apps won’t download keeps saying “waiting”, there might be a problem with the App Store Server.
If you're using cellular data or Wi-Fi and have issues with app downloading, try to connect to another Wi-Fi network.
To check the Wi-Fi connection, try watching a video from the Internet. If the app fails to download or update, you can try deleting the app and reinstall directly.
Go to "Settings" check "Installing Apps" and turn on the updating feature.
If you don't have enough storage space on your i Phone or i Pad in i OS 12/11, you can't download or update apps.
So, before you move to other solutions, turn your phone off and back on again.