Activision
Yes, both SketchUp and Plask Motion offer a Free Trial.
SketchUp is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Plask Motion is designed for and undefined.
Pricing for SketchUp Starts at $119/Year whereas for Plask Motion Starts at $50.00per month when Billed Yearly.
Some top alternatives to SketchUp includes Vectary, 3D Slash, SelfCAD, Clara.io, Giraffe, 3ds Max, Archicad, Revit LT and Lumion.
Some top alternatives to Plask Motion includes and undefined.