Issues paying for iCloud +

Hi sunday91,

Thank you for contacting Apple Support Communities. Based on what you stated, it seems like some apps on the iPhone are not opening, because the iPhone storage is full. These articles explain how to manage the iPhone and iCloud storage. You can also use the last article if apps are not opening.

How to check the storage on your iPhone and iPad – Apple Support

Manage your iCloud storage - Apple Support

1. Close and reopen the app
2. Restart your device
3. Check for updates
4. Delete the app, then redownload it

If an app on your iPhone or iPad stops responding, closes unexpectedly, or won’t open - Apple Support

Please don't hesitate to let us know if you need additional assistance.

Cheers.