Neither ERD Lab nor HackerDraw offers a free trial.
ERD Lab is designed for Large Enterprises and Medium Business.
HackerDraw is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of HackerDraw begins at $3/User/Month, while pricing details for ERD Lab are unavailable.
Some top alternatives to ERD Lab includes Miro, FigJam, Gliffy, Microsoft Visio, DrakonHub, Lucidchart, EDraw Max, DrawSQL, UpDiagram, diagrams.net, ProcessOn and HackerDraw.
Some top alternatives to HackerDraw includes Collaboard, Miro, FigJam, SmartDraw, Gliffy, Microsoft Visio, DrakonHub, Creately, Lucidchart, DrawSQL, diagrams.net and DigStack.