It works in complete harmony with VIP4. You can share your flat plans and pages between VIP4 and Cito Publish seamlessly.
What is more because its completely HTML5 it works on an iPad or any other tablet.
At the moment Cito Publish is for content viewers and approvers only. You cannot move pages around like VIP4 for example but over the next 9 months all the features in VIP4 will be added to Cito Publish
ViP4 will continue to be available until 2020 when we will ask any remaining users to move over to Cito Publish.
As well as adding all the features in VIP4 we will be adding great new features
...all coming in the next few months