Side by side

ODA Viewer vs ViewCompanion Premium

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

ViewCompanion Premium brings CAD, PDF, and technical-document work into one Windows application. Its perpetual licensing, local processing, and automation features fit teams handling recurring document conversion and review.

Visit ViewCompanion Premium

The facts

	ODA Viewer	ViewCompanion Premium
Free plan	Yes	A free trial
Open source	Not published	Not published
Runs on	Linux, Mac, Web, Windows	Windows
Lowest paid plan	Not published	See the plans
Plans published	None	8
Maker	Not published	Not published
Website	opendesign.com	softwarecompanions.com
On cad viewer software	#22 of 31	#26 of 31

ODA Viewer: what it does well

ViewCompanion Premium: what it does well

Opens DWG files without AutoCAD installed
Includes OCR, PDF/A, and revision comparison
Exports measurements to XLSX or CSV
Processes documents locally and supports offline core tools
Perpetual licenses require no online activation

What to know first

Windows-only application
No free plan
Trial output carries a text watermark
Maintenance renewal is needed for future updates and fixes

Alternatives to ODA Viewer Alternatives to ViewCompanion Premium The whole list