In Jamf School, navigate to Organization > Settings in the sidebar.
In the General payload, locate the Apps & Documents section and then do the following:
(iOS 11.3 or later only) To enable automatic updates for App Store apps and apps purchased in volume, select the Automatically update apps when an update is available checkbox.
(Optional) To schedule automatic updates for App Store apps and apps purchased in volume, select the Only automatically update apps during the specified time period checkbox, and then configure the time during which automatic app updates will occur.
Note:
Scheduled automatic app updates occur once per day during the configured time. For a device to receive the app updates, the device must check in during the configured time.