Yes, both Adobe Dimension and SketchUp offer a Free Trial.
Adobe Dimension is designed for Large Enterprises, Medium Business and Small Business.
SketchUp is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Adobe Dimension Starts at $19.99/Month when Billed Yearly whereas for SketchUp Starts at $119/Year.
Some top alternatives to Adobe Dimension includes Vectary, SelfCAD, SketchUp, Giraffe, 3ds Max, Maya, Cinema 4D, Modo and Spline.
Some top alternatives to SketchUp includes Vectary, 3D Slash, SelfCAD, Clara.io, Giraffe, 3ds Max, Archicad, Revit LT and Lumion.