Clara.io offers Free Trial, but Blocks does not.
Clara.io is designed for Large Enterprises, Medium Business and Small Business.
Blocks is designed for Individuals, Medium Business and Small Business.
The starting price of Clara.io begins at $10/Month, while pricing details for Blocks are unavailable.
Some top alternatives to Clara.io includes 3D Slash, CL3VER, SelfCAD, SketchUp, SkyCiv, 3ds Max, Blocks, Wings 3D and SwiftXR.
Some top alternatives to Blocks includes Vectary, 3D Slash, Clara.io, SketchUp, 3ds Max, Recap Pro, Cinema 4D, formZ, SwiftXR and Rapid Mockup.