For the Launcher iOS mobile app, users need to allow location services requests in order to discover nearby Launcher software.
Location services option: Always allow
The recommended option is ‘Always allow’, which will discover devices even when app is not running, or when the iOS device is locked. When ‘Always allow’ is enabled, a notification will appear for each device discovered.
Location services option: Only while using the app
The option to allow location services ‘Only while using the app’ will only discover devices while the app is running in foreground sending to background the app will be managed as a moved away device.