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iZotope Ozone review

#3 of 40 in Audio PluginsAI Music Mastering SoftwareAudio Mastering SoftwareAI Music Plugins

AI-assisted mastering with reference tools and tiered, one-time editions.

9.1/10Editor score
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iZotope Ozone9.1 Visit iZotope

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

iZotope Ozone is a software suite for audio mastering, aimed at musicians, producers and audio engineers who want tools for finishing tracks. It covers equalization, dynamics, limiting, stereo imaging, saturation, loudness control, referencing and dithering. Master Assistant uses AI to create custom processing flows, while reference-track comparison helps inform decisions. Ozone runs on macOS and Windows in AU, AAX and VST3 formats, with integrations that include Logic Pro, Pro Tools, Ableton Live, Cubase, Studio One and Reaper.

The editions are perpetual purchases, with a 10-day Ozone trial. Elements costs $55 one time and includes core mastering tools, Master Assistant and Assistive Vocal Balance. Standard costs $219 one time and adds 14 editable mastering modules, the Ozone mothership plugin, track referencing, and transient and sustain targeting. Advanced costs $499 one time and includes 20 modules, individual component plugins, Stem EQ, Unlimiter and Clarity. The higher tiers make sense when their additional modules and workflow options match the work; Elements is the lower-cost entry point for core tasks.

Advanced is the clearest fit for producers who need more detailed control: Stem EQ and Stem Focus enable stem-oriented processing, while Bass Control shapes low-frequency energy. The Maximizer includes IRC 5 limiting, and Codec Preview provides another check before delivery. These tools reinforce Ozone's focus on mastering rather than serving as an all-purpose production suite. Producers seeking AI-assisted mastering, reference comparison and a choice of module depth should consider it; those looking primarily for tools outside mastering should look elsewhere.

iZotope Ozone pros and cons

  • Where it wins
    • Master Assistant creates custom processing flows to guide mastering.
    • Advanced includes Stem EQ for separate processing of vocals, bass, drums and instruments.
    • Reference comparison, Codec Preview and dithering support finishing work.
  • Where it doesn't
    • The $55 Elements edition has core tools; editable modules start with Standard at $219.
    • Advanced costs $499, making its 20-module suite a substantial one-time purchase.
    • Ozone focuses on mastering rather than broad music production tasks.

iZotope Ozone fact sheet, pricing and score →

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