Building for iOS
Enable ARKit Plugin
Enable ARKit plug-in provider by selecting Edit > Project Settings from the topbar menu, and navigate to XR Plug-in Management.
Setup iOS Player Settings
Open iOS player settings from selecting Edit > Project Settings from the topbar menu, navigate to Player from the Project Settings sidebar and select the iOS tab.
- Set - Target minimum iOS Versionto- 11.0or higher 
- Set - Architectureto- ARM64 
- Set required usage description e.g., - Camera Usage Descriptionis necessary for using the AR features.
- If you are using Map Selection feature, set the - Location Usage Description 
 
Once you have followed all the steps listed above, your project should be ready to build your application for iOS devices. You can follow the standard iOS build process for Unity, and run it on your device.