Bluebeam Revu delivers award-winning PDF creation, editing, markup and collaboration technology to Windows desktop and tablet users. Create and navigate smart, information-rich document sets from converted Microsoft Office and CAD files.


Callout is described as 'Uses AI to perform first-pass construction drawing reviews against building codes and standards. Engineers upload PDF drawing sets, select from 33+ supported codes (IBC, IMC, NEC, NFPA, ASHRAE, IPC, ASCE, ACI, AISC, and more), and receive a structured list of findings' and is an app. There are three alternatives to Callout for a variety of platforms, including Windows, iPad, Android, iPhone and Android Tablet apps. The best Callout alternative is Bluebeam Revu. It's not free, so if you're looking for a free alternative, you could try PlanGrid.
Bluebeam Revu delivers award-winning PDF creation, editing, markup and collaboration technology to Windows desktop and tablet users. Create and navigate smart, information-rich document sets from converted Microsoft Office and CAD files.


PlanGrid is construction productivity software made for the field. PlanGrids allows plans and markups to be instantly shared with everyone on a construction project, no matter where they are.




STACK Build & Operate is an industry-leading construction app for marking up and sharing construction blueprints and documents.