Miro offers Free Trial, but Plectica does not.
Plectica is designed for Individuals, Freelancers, Medium Business and Small Business.
Miro is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Plectica Starts at $3/Month when Billed Yearly whereas for Miro Starts at $8/User/Month when Billed Yearly.
Some top alternatives to Plectica includes Miro, FigJam, Mindomo, MindManager, MindMup, NovaMind, MindMaster, iMindQ, Gliffy, Microsoft Visio, Lucidchart and diagrams.net.
Some top alternatives to Miro includes Collaboard, Microsoft Whiteboard, WhiteboardFox, Conceptboard, MURAL, Lucidspark, Whimsical, Board, Zoom Whiteboard and Witeboard.
