From joan.allen on the Ideastation:
I’m happy to announce that you can view gridlines on the iPad app – and control the visibility settings of grids in both 2D and 3D view – with the BIM 360 Glue iPad app V3.0 that was released today.  Learn more here about the new 2D to 3D “Map” navigation feature and gridline controls: 

Related post:

Forum Link:

IdeaStation is the Autodesk term for a place to share and rate your wishlist items on various products. The BIM 360 version is here:

BIM 360 IdeaStation – Autodesk Community

You can up the rating of a given idea by clicking the Kudos button. Do you like my idea?

There are IdeaStations for other Autodesk products too. Check them out at:
Ideas-Page – Autodesk Community