Skip to content
← Tools / Skills
ToolRoex/10 trustMetrics-checked
Roex Automix logo

Roex Automix

Upload stems, get a mixed and mastered track back in minutes.

Visit official site →

About

Roex Automix (roexaudio.com) is an AI mixing and mastering service from a Queen Mary University of London spinout: upload up to 32 stems and it balances, EQs and masters the track, or master a finished stereo file on its own. A free Mix Check Studio analyzes your mix for tonal balance and loudness issues before you spend anything.

The free tier lets you preview a full mix and download one track, which is rare among AI mixers. Limits: 32 tracks per session max, and heavy revisions still belong in a DAW.

What it can do

  • AI multitrack mixing (up to 32 stems)
  • AI mastering for streaming standards
  • Mix Check Studio analysis
  • Reference track mastering (Pro)
  • Ableton Live Set export (Pro)
  • Tonn API for developers
  • Automix Desktop app (Mac/Windows)

Setup

  1. Sign up at roexaudio.com.
  2. Upload stems (up to 32 tracks) or a stereo mix.
  3. Optionally run Mix Check Studio for a free analysis.
  4. Preview the AI mix and master.
  5. Pay per download ($5.99 credit) or take Automix Pro ($14.99/mo unlimited).

Prerequisites

Free preview plus 1 download credit; downloads need credits or Pro.

Use cases

audio

Works with

Generic APIAny agent (.md)

Trust score — 6/10

/10 trustMetrics-checked

Scored 6/10 (metrics tier, metrics-v1). Evidence: Queen Mary University spinout; UnitedMasters integration for indie artists; 32-track session cap per mix; Pay-per-download or Pro subscription — provider-tier estimate on adoption. License: Proprietary; user retains all rights, uploads not used for training..

How the trust score is built

Full methodology →
Adoption · stars/downloads, log-scaled vs peers
6.0/10
Maintenance · recency, releases, issue load
7.0/10
Openness · license + docs
3.0/10
Manual review · sanity read + red-flag check
6.0/10
  • · Queen Mary University spinout; UnitedMasters integration for indie artists
  • · 32-track session cap per mix
  • · Pay-per-download or Pro subscription — provider-tier estimate on adoption

Sources

Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.