Thank you for sharing the inputs. We have few other customers who have reported a similar issue. It will help our developers to work in this case. Please follow up on the thread given below for the update on this issue
https://forums.manageengine.com/topic/apple-app-doesn-t-works-after-upgrade-to-9-3#49000008384413
ManageEngine ServiceDesk|AssetExplorer
Direct Support No: +1 408 916 9300 || TollFree No: 1-888-720-9500
ManageEngine ServiceDesk|AssetExplorer
Direct Support No: +1 408 916 9300 || TollFree No: 1-888-720-9500