SketchUp offers Free Trial, but Spline does not.
Spline is designed for Large Enterprises, Medium Business and Small Business.
SketchUp is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of SketchUp begins at $119/Year, while pricing details for Spline are unavailable.
Some top alternatives to Spline includes Planner 5D, 3D Slash, Clara.io, SketchUp, Giraffe, Adobe Dimension, 3ds Max and Cinema 4D.
Some top alternatives to SketchUp includes Vectary, 3D Slash, SelfCAD, Clara.io, Giraffe, 3ds Max, Archicad, Revit LT and Lumion.