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RoEx Automix vs Matchering: catalog facts
RoEx Automix	Matchering
Best for: Musicians without a studio who want a quick mix of their stems	Best for: Musicians who want quick automatic mastering matched to a reference song
Free + paid options Free to try and to get mix feedback; you pay to download finished mixes.	Free Free and open source under the GPL 3.0 licence.
Web	Web, Self-hosted
Mixes and masters multitrack stems automatically Free mix feedback through Mix Check Studio All 3 strengths for RoEx Automix Mixes and masters multitrack stems automatically Free mix feedback through Mix Check Studio States uploaded music is not used for AI training	Simple workflow: one target, one reference Self-hosted Docker web app with guides for Windows, macOS and Linux All 4 strengths for Matchering Simple workflow: one target, one reference Self-hosted Docker web app with guides for Windows, macOS and Linux Usable as a Python library or ComfyUI node Matches loudness, frequency response and stereo width
Downloading a finished mix costs money Less control than mixing by hand	Results depend heavily on choosing a suitable reference track No dedicated desktop app of its own outside UVR5
Web application	Downloadable app, Self-hosted
Not open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Needs internet	Offline features available
Official website Full listing and sources Sources for RoEx Automix roexaudio.com Catalog checked October 1, 2026	Official website Full listing and sources Sources for Matchering github.com/sergree/matchering Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.