How to Prevent Google Workspace Users on iOS Devices From Trusting Unmanaged Apps Installed From Outside the Apple App Store

Quick and easy-to-follow guide for Google Workspace administrators

You control whether users can trust apps they install from outside the Apple App Store and the Google Device Policy app or not.

Requirements to control installing apps from outside the Apple App Store or Device Policy

This setting requires Advanced iOS Mobile Management and an Apple Push Certificate, and it only applies to company-owned devices.
It applies only to users with Google Workspace Enterprise Plus, G Suite Enterprise for Education, or Cloud Identity Premium licenses.

How to allow or disable installing apps from unknown sources on iOS step-by-step with images

Step 1

In Google Admin at https://admin.google.com, click Devices > Mobile & endpoints > Settings > iOS settings in the menu on the left.

Step 2

Select Data sharing.

Step 3

Select Trust app authors.

Step 4

Uncheck the box to prevent users from trusting other app authors.

If you decide to allow users to trust apps from unknown sources, they see a notification that the app’s author isn’t trusted on the device when they first open an app from an unknown source. They can establish trust for the app author in their device settings.

If users trust an author, they can install other apps from the same author and open them immediately. Any app authors a user trusts before you apply this setting to their device remain trusted.

Click SAVE after any updates. Changes to the setting may take up to 24 hours.