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iZotope Ozone vs LANDR: catalog facts
iZotope Ozone	LANDR
Paid Commercial software sold in several editions, with Ozone 12 Advanced as the top tier.	Freemium Free sign-up; LANDR Studio starts at USD 8.25 per month.
Windows, macOS	Web
AI assistant proposes a mastering chain to start from 20 mastering plugins in the Advanced edition	AI mastering online or as a plugin Distribution to 150+ streaming platforms
Paid software, with the full feature set only in the top edition Needs a DAW or plugin host to use	Most features require a paid subscription Mastering happens on LANDR's service
Downloadable app	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Works offline	Needs internet
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.