the lineup is actually not that complex (top-down):
• SketchUp Studio (subscription): SketchUp Classic + SketchUp Shop + Sefaira + Trimble Connect (unltd.) + AR/VR Mobile Viewer + XR Headset Viewing
• SketchUp Pro (subscription): SketchUp Classic + SketchUp Shop + Trimble Connect (unltd.) + AR/VR Mobile Viewer + XR Headset Viewing
• SketchUp Pro Classic (perpetual): SketchUp Classic + Trimble Connect (10 GB) + Mobile Viewer
• SketchUp Shop (subscription): SketchUp Shop + Trimble Connect (unltd.) + AR/VR Mobile Viewer
• SketchUp Free (subscription; non-commercial): SketchUp Free + Trimble Connect (10 GB) + Mobile Viewer