Yes, both Modo and SketchUp offer a Free Trial.
Modo is designed for Individuals, Freelancers, Medium Business and Small Business.
SketchUp is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Modo Starts at $1,909 whereas for SketchUp Starts at $119/Year.
Some top alternatives to Modo includes Mari, 3D Slash, SketchUp, Adobe Dimension, 3ds Max, Maya, Wings 3D, Cinema 4D and formZ.
Some top alternatives to SketchUp includes Vectary, 3D Slash, SelfCAD, Clara.io, Giraffe, 3ds Max, Archicad, Revit LT and Lumion.