Eon
Neither Custellence nor ProcessOn offers a free trial.
Custellence is designed for Large Enterprises, Medium Business and Small Business.
ProcessOn is designed for Individuals, Medium Business and Small Business.
Pricing for Custellence Starts at $25/User/Month when Billed Yearly whereas for ProcessOn Starts at $58.80/Year.
Some top alternatives to Custellence includes Miro, FigJam, UXPressia, SmartDraw, Gliffy, DrakonHub, 10SCAPE, FlowMapp, Quick Diagram, diagrams.net, CardBoard and The Experience Manager.
Some top alternatives to ProcessOn includes Miro, FigJam, SmartDraw, Gliffy, Cacoo, Microsoft Visio, DrakonHub, Creately, EDraw Max, Quick Diagram, diagrams.net and HackerDraw.