To add ACDSee Program as Mobile Sync Target by QR code for iOS devices, please try the steps below:

- In ACDSee Photo Studio version 2021 or higher, open Tools | Show ACDSee Mobile Sync Details.

- In your Mobile Syn App, scan the QR code using your mobile device camera to add your ACDSee software as a target.

- Dialog appears with two option Add or OK.  Note the iOS update may have changed the command label from Cancel to Add in this dialog window. So Click OK to add the target, or click Add to Cancel the operations

The next update for ACDSee Mobile Sync App for iOS will address this issue.