SelfCAD offers Free Trial, but Blocks does not.
Blocks is designed for Individuals, Medium Business and Small Business.
SelfCAD is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of SelfCAD begins at $11.99/Month when Billed Yearly, while pricing details for Blocks are unavailable.
Some top alternatives to Blocks includes Vectary, 3D Slash, Clara.io, SketchUp, 3ds Max, Recap Pro, Cinema 4D, formZ, SwiftXR and Rapid Mockup.
Some top alternatives to SelfCAD includes 3D Slash, Clara.io, SketchUp, 3ds Max, ZBrush, formZ, Onshape, BricsCAD and Autodesk Design Review.