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Shapr3D vs Alibre Atom3D: catalog facts
Shapr3D	Alibre Atom3D
Best for: Touch-first parametric CAD app originally built for iPad, now on desktop	Best for: Design mechanical parts and assemblies with a desktop CAD application
Free + paid options Free to start; paid subscription unlocks full professional features.	Paid Requires a paid license or subscription. Trial availability and licensing depend on the edition.
Windows, macOS, iOS	Windows
Touch and stylus-first interface makes early-stage sketching and modeling feel natural Available across iPad, Windows, and macOS with a shared workflow	Supports parametric part modeling Targets hobby fabrication and 3D printing
Full feature set and best experience still centers on iPad with Apple Pencil Free tier is limited compared to paid subscription plans	Windows only; advanced capabilities belong to other Alibre editions.
Downloadable app	Downloadable app
Not open source	Not open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Shapr3D shapr3d.com apps.apple.com/us/app/shapr-3d-cad-modeling/id1091675654 Catalog checked September 22, 2026	Official website Full listing and sources Sources for Alibre Atom3D alibre.com/atom3d Catalog checked September 22, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.