Overflow offers Free Trial, but SmartDraw does not.
Overflow is designed for Large Enterprises, Medium Business and Small Business.
SmartDraw is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Overflow Starts at $12/User/Month when Billed Yearly whereas for SmartDraw Starts at $5.95/Month.
Some top alternatives to Overflow includes Miro, FigJam, SmartDraw, Gliffy, Microsoft Visio, Creately, EDraw Max, FlowMapp, Isoflow, Quick Diagram, diagrams.net and Flow.
Some top alternatives to SmartDraw includes Miro, FigJam, Floorplanner, Gliffy, Cacoo, Microsoft Visio, Creately, Lucidchart, EDraw Max, Quick Diagram, diagrams.net and yEd Graph Editor.
