Head-to-head · CAD Viewer Software
CAD Reader vs 3D-Tool
CAD Reader leads on 0 checks, 3D-Tool on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreCAD Reader · 7.7/10
- Free planboth
- Free trialonly 3D-Tool
CAD Reader scores higher on our rubric for cad viewer software: 7.7 against 7.0 out of 10; our editors rank them #12 and #19.
On platforms, CAD Reader gives you Cross_platform where 3D-Tool offers Desktop.
CAD Reader is the better fit for cross-platform teams needing a capable free viewer. 3D-Tool is the better fit for engineering teams needing deep 3D analysis.
- CAD Reader fits best
Cross-platform teams needing a capable free viewer
- 3D-Tool fits best
Engineering teams needing deep 3D analysis
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Side by side
| Feature | CAD Reader 7.7/10 Visit ↗ | 3D-Tool 7.0/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.7 | 7.0 |
| Ranking | #12 in CAD Viewer Software | #19 in CAD Viewer Software |
| Best for | Cross-platform teams needing a capable free viewer | Engineering teams needing deep 3D analysis |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | — | €200/user one-time |
| Free plan | ✓ | ✓ |
| Free trial | — | 14 days |
| Deployment | Desktop, Mobile | Desktop |
| Platforms | Windows, macOS, iOS, Android | Windows |
| Support | Email, Docs | Email, Phone, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features CAD Reader 5/5 · 3D-Tool 5/5 | ||
| DWG support | ✓ | ✓ |
| Measurement tools | ✓ | ✓ |
| Markup and annotation | ✓ | ✓ |
| Sharing and collaboration | ✓ | ✓ |
| DXF support | ✓ | ✓ |
| Specs | ||
| Platforms | Cross_platform | Desktop |
| Our review | ||
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| Our verdict | CAD Reader is a CAD drawing viewer and toolset for construction professionals, estimators, site inspectors, and engineers. It opens DWG and DXF files on Windows, macOS, Android, and iOS, making it suitable for teams that review drawings… Read the review → |
3D-Tool is a Windows desktop CAD viewer and converter for companies working with engineering and manufacturing data. It is designed for teams that need to inspect, measure, annotate and analyze 3D models or 2D drawings without requiring a… Read the review → |
Strengths and trade-offs
CAD Reader — where it wins
- Opens DWG and DXF files across Windows, macOS, iOS, and Android
- Combines detailed measurement with markups, comments, photos, and audio
- Adds comparison, extraction, PDF export, and selected CAD editing tools
Where it doesn't
- Advanced CAD tools and editing require the Professional plan
- Enterprise access uses contact-sales pricing
- The Free plan is limited to basic functions
3D-Tool — where it wins
- Views and analyzes 3D models and 2D drawings in more than 30 CAD formats
- Measures geometry, wall thickness, clearances, collisions and model comparisons
- Publishes models as EXE, 3D-PDF, HTML or JT files
Where it doesn't
- Runs on Windows desktop systems only
- The Free Viewer supports DDD, STL and 3MF rather than the full format range
- Premium CAD interfaces and publishing features require the Premium license
- CAD Reader7.7/10 · Free plan
A capable free CAD viewer with broad platform coverage and practical drawing tools.
Visit CAD ReaderFull verdict → - 3D-Tool7.0/10 · Free plan · 14-day trial
A Windows CAD viewer with deep analysis tools, broad format support and one-time paid licenses.
Visit 3D-ToolFull verdict →
All CAD viewer software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update