Autodesk Infrastructure Map Server (the software formerly known as Topobase web) is not limited to access only from "thick" clients (AutoCAD Map Enterprise) and web browsers on desktop computers. Most of its key GIS functions can be provided also online, for terrain workers, through the mobile GIS client. This lightweight client is currently optimized mainly for Apple iPads.
The usage of this interesting mobile GIS technology is illustrated on our YouTube channel - first with the Autodesk sample data:
and then the real-world data from our existing water and wastewater GIS application in Aquaserve - here is also used the geolocation functionality in the mobile client, detecting the current location of the device/user: