the bimcloud-web-interface is only useable with really big screens.
if you work on a full-size workstation that's fine, but even on a 16" macbook i have to scale the content down to 80% to read the full name of a file.
on a smartphone the web-interface is completely unuseable and there is no app or anything.
the web-interface should be accessible by all stakeholders of the project, not only the authors with their big screens.
a proprietary format like bimx cannot replace an open standard like pdf. (only extend it)