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eDrawings Viewer vs CAD快速看图 (CADReader): catalog facts
eDrawings Viewer	CAD快速看图 (CADReader)
Free The viewer is free; eDrawings Professional is a separate product.	Freemium Free to use, with a paid VIP membership and business licences for more features.
Windows, macOS, Android, iOS	Windows, macOS, Android, iOS, Web
Free viewing of 3D models and 2D drawings Opens DWG and DXF files	Opens all DWG versions and Tianzheng drawings Measurement, comparison and text and table extraction
Viewing only; editing and publishing need other eDrawings products Proprietary software	Website and interface primarily in Chinese Many features require a VIP membership
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License: Proprietary	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 Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.