iZotope Ozone vs RoEx Mastering

iZotope Ozone9.4Visit RoEx Mastering7.7Visit

Higher score iZotope Ozone #1 in AI Music Mastering Software 9.4/10 10-day trial Free trial✓ 0 of 4 features Visit iZotope Ozone

vs

RoEx Mastering #7 in AI Music Mastering Software 7.7/10 Paid ✓ 3 of 4 features Visit RoEx Mastering

• iZotope Ozone fits best

  Professional DAW-based mastering

• RoEx Mastering fits best

  Genre-profile and offline mastering users

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Side by side

Feature	iZotope Ozone 9.4/10 Visit ↗	RoEx Mastering 7.7/10 Visit ↗
At a glance
Editor score	9.4	7.7
Ranking	#1 in AI Music Mastering Software	#7 in AI Music Mastering Software
Best for	Professional DAW-based mastering	Genre-profile and offline mastering users
Pricing model	Paid	Paid
Starting price	$55 one-time	Not checked yet
Free plan	—	—
Free trial	10 days	—
Deployment	Desktop	Cloud, Desktop, Mobile
Platforms	macOS, Windows	Web, macOS
Features iZotope Ozone 0/4 · RoEx Mastering 3/4
Reference track matching	Not checked yet	✓ (best)
Stem mastering	Not checked yet	—
WAV export	Not checked yet	✓ (best)
Loudness targets	Not checked yet	✓ (best)
Specs
Monthly masterings	Not checked yet	Not checked yet
Input formats	Not checked yet	WAV, FLAC, MP3
Supported platforms	Not checked yet	Not checked yet
Our review
Pros	Advanced includes 20 mastering modules and individual component plugins. Stem EQ separately processes vocals, bass, drums, and instruments. Supports major DAWs through AU, AAX, and VST3 plug-in formats.	Reference matching covers tone, dynamics, stereo image, and loudness. Genre profiles and selectable loudness targets support tailored masters. WAV, FLAC, and MP3 exports, plus local offline mastering on macOS.
Cons	No free plan is available. Advanced costs $499 one-time. The suite is limited to macOS and Windows hosts.	There is no free plan. The workflow focuses on stereo mixes rather than stem mastering. Automix Desktop is available as a beta workflow.
Our verdict	iZotope Ozone is a mastering software suite for musicians, producers, and audio engineers working in digital audio workstations. It combines equalization, dynamics, compression, limiting, stereo imaging, saturation, loudness processing,… Read the review →	RoEx Mastering is an AI-powered mastering service for musicians, producers, and independent artists working from stereo mixes. It analyzes a mix and applies equalization, multiband compression, limiting, stereo refinement, loudness… Read the review →

Strengths and trade-offs

• iZotope Ozone — where it wins

  • Advanced includes 20 mastering modules and individual component plugins.
  • Stem EQ separately processes vocals, bass, drums, and instruments.
  • Supports major DAWs through AU, AAX, and VST3 plug-in formats.

  Where it doesn't

  • No free plan is available.
  • Advanced costs $499 one-time.
  • The suite is limited to macOS and Windows hosts.

• RoEx Mastering — where it wins

  • Reference matching covers tone, dynamics, stereo image, and loudness.
  • Genre profiles and selectable loudness targets support tailored masters.
  • WAV, FLAC, and MP3 exports, plus local offline mastering on macOS.

  Where it doesn't

  • There is no free plan.
  • The workflow focuses on stereo mixes rather than stem mastering.
  • Automix Desktop is available as a beta workflow.

• iZotope Ozone9.4/10 · 10-day trial

  A mature DAW mastering suite with broad control, references, and stem workflows.

  Visit iZotope OzoneFull verdict →
• RoEx Mastering7.7/10 · Paid

  A focused AI mastering workflow with useful genre, loudness, and reference controls.

  Visit RoEx MasteringFull verdict →