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UltraISO vs WinCDEmu: catalog facts
UltraISO	WinCDEmu
Paid Costs $29.95 USD, with a free trial available.	Free Free for any kind of use under the LGPL.
Windows	Windows
Edits ISO images directly without extracting and rebuilding Creates bootable CD and DVD images	One-click mounting from Windows Explorer Handles ISO, CUE, NRG, MDS/MDF, CCD and IMG images
Paid license required after the trial Windows only	Windows only Official support listed only up to Windows 10
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: LGPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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