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UltraISO vs PowerISO: catalog facts
UltraISO	PowerISO
Paid Costs $29.95 USD, with a free trial available.	Freemium Offered as a free download; paid licensing details are not described on the homepage.
Windows	Windows
Edits ISO images directly without extracting and rebuilding Creates bootable CD and DVD images	Mounts disc images as virtual drives Creates bootable USB drives, including Windows to USB
Paid license required after the trial Windows only	Closed source Many features overlap with free tools such as 7-Zip and Rufus
Downloadable app	Downloadable app
Closed source	Closed source
License: Proprietary	License not stated
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 September 24, 2026

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