How to activate the Standard Editor subscription for iProject Viewer from App Store? 

Question

Accepted Answer

To activate the Standard Editor subscription on iOS device please follow the steps below: 

First please check if you are signed in on App Store with the account used to buy the subscription (to find this info, open Settings, Click on iTunes & App Store and on Apple ID check your email address).  
Go inside application and in menu Help – Register press on the Manage Apple Store Subscription  
Press on the Restore Standard Editor Subscription   
Wait for the confirmation message.