Floorplan creator app

Just started using the Floorplancreator app (previously using the website only) so I can work offline, but I'm having trouble using the cloud sync. Can anyone tell me share their experience and process for cloud sync in-app?

Just started using the Floorplancreator app (previously using the website only) so I can work offline, but I'm having trouble using the cloud sync. Can anyone tell me share their experience and process for cloud sync in-app?