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3D CAD Converter vs CAD Assistant

Both stand on 3d file converter software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

3D CAD Converter

Free plan Windows

3D CAD Converter combines format conversion, model inspection, repair, and automation tools in a Windows app. Check its format limits and trial restrictions before choosing it; paid licenses cost $39 a year or $179, paid once.

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CAD Assistant

Free plan AndroidiPhoneLinux+2

CAD Assistant offers offline viewing, model inspection, and conversion across desktop and mobile platforms. Check the commercial-import restriction and device limits if you need to export models or handle large scenes.

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The facts

3D CAD ConverterCAD Assistant
Free planYesYes
Open sourceNot publishedNot published
Runs onWindowsAndroid, iPhone, Linux, Mac, Windows
Lowest paid planSubscription: $39 a yearFree or on request
Plans published31
MakerNot publishedNot published
Websitecontenta-software.comopencascade.com
On 3d file converter software#3 of 30#1 of 30

3D CAD Converter: what it does well

  • Supports STEP, IGES, STL, OBJ, and 15+ formats.
  • Repairs broken STEP, IGES, and BREP surfaces.
  • Viewer includes measurement and assembly inspection.
  • Processes files locally, according to the maker.
  • Lifetime license includes updates.

What to know first

  • Windows 10 or 11 required.
  • Cannot convert 2D-only DWG/DXF drawings.
  • Mesh files cannot convert back to STEP, IGES, or BREP.
  • Trial limits full-quality conversions to 10 within 30 days.

CAD Assistant: what it does well

  • Works offline with local processing.
  • Free for personal and commercial use.
  • Opens a broad range of CAD and mesh formats.
  • Model properties include area, volume, and centroid.
  • Available on desktop and mobile platforms.

What to know first

  • Some commercial-component imports cannot be exported or converted.
  • Large files may take time to load.
  • Low-range GPUs may be slow.
  • Scenes with several million triangles may be terminated.

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