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RoEx Automix vs iZotope Neutron: catalog facts
RoEx Automix	iZotope Neutron
Best for: Musicians without a studio who want a quick mix of their stems	Best for: Home studio producers mixing their own tracks who want AI-suggested starting points
Free + paid options Free to try and to get mix feedback; you pay to download finished mixes.	Paid Commercial plug-in suite sold by iZotope; check the product page for current pricing.
Web	Windows, macOS
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	Ten mixing tools in one suite Mix Assistant suggests starting settings from your audio All 3 strengths for iZotope Neutron Ten mixing tools in one suite Mix Assistant suggests starting settings from your audio Pairs with iZotope Ozone and RX
Downloading a finished mix costs money Less control than mixing by hand	Runs as a plug-in inside a host DAW Paid commercial software
Web application	Downloadable app
Not open source	Not open source
License not stated	License: Proprietary
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
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 iZotope Neutron izotope.com/en/products/neutron.html Catalog checked October 1, 2026

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