Both programs are legendary for their CAD/CAM compatibility, but they approach it differently.
For that $995, you get rendering (Cycles), Grasshopper, SubD, drafting, layout, and a full SDK. For $395 in Moi3D, you get modeling and export—no rendering, no parametrics, no layout. moi3d vs rhino
Both software packages utilize NURBS (Non-Uniform Rational B-Splines) geometry, meaning they create mathematically precise surfaces rather than approximated polygon meshes. This makes them ideal for industrial design, jewelry, automotive design, and fabrication. However, despite sharing the same geometric DNA, they are radically different beasts. Both programs are legendary for their CAD/CAM compatibility,
Moi3D feels like a mobile app on steroids. The UI is sparse, featuring a central viewport and a few floating palettes. There are no drop-down menus with 500 options. Instead, commands are contextual. Moi3D feels like a mobile app on steroids
The most immediate difference is how you interact with the software.
That is the secret: Moi3D isn't a competitor to Rhino. It is the to the Rhino ecosystem.
To understand the divide, you must understand the history.