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eMastered vs iZotope Ozone: catalog facts
eMastered	iZotope Ozone
Paid Paid service; check the website for current plans.	Paid Commercial software sold in several editions, with Ozone 12 Advanced as the top tier.
Web	Windows, macOS
No software to install Automated mastering without engineering knowledge	AI assistant proposes a mastering chain to start from 20 mastering plugins in the Advanced edition
Requires uploading tracks to a third-party service Less control than mastering by hand	Paid software, with the full feature set only in the top edition Needs a DAW or plugin host to use
Web application, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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