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RoEx Mastering
What it is
RoEx Mastering analyzes a stereo mix and applies EQ, multiband compression, limiting, and stereo refinement to target release-ready loudness and balance. Users can set a target of approximately −9, −11, or −14 LUFS and choose a genre profile, such as Electronic, Hip-Hop, Rock, Acoustic, Pop, or Orchestral. The workflow examines tonal balance, dynamics, stereo field, and true-peak headroom before processing. Supported input and output formats include WAV, FLAC, and MP3; listed stereo inputs are 44.1–48 kHz at 16- or 24-bit.
Users can preview and A/B compare a master before paying to download it. A free preview costs nothing, while a download credit costs $7.99, paid once. Automix Pro costs $24.99 a month and includes unlimited downloads, reference track mastering, 32-track mixing, and Ableton Live Set and DAWproject export. Its Reference Match feature aligns a master’s tone, dynamics, stereo image, and loudness with a chosen track. RoEx says it does not use uploaded audio to train its models or share it with third parties, and users retain rights to uploaded and downloaded material.
For and against
For
- Free preview before paying to download
- WAV, FLAC, and MP3 input and output
- Three selectable loudness targets and genre profiles
- Reference Match aligns a master to a chosen track
- RoEx says uploaded audio is not shared or used for model training
Against
- A paid credit is required to download a master
- Web tracks are limited to 8 minutes
- Desktop tracks are limited to 10 minutes
- Stem mastering is not supported
The verdict
RoEx Mastering offers mix processing with selectable loudness targets and a preview before download. The free preview lets users assess a result, while downloads require a credit or an Automix Pro subscription.
Who it suits
RoEx Mastering suits musicians and producers who want to preview processing on a mix, set a loudness target, or use a genre profile. Automix Pro may suit users who also want reference matching or the listed project exports.
Plans and prices
Free preview
Free preview before download; paid credit required to download a master
Read 11 Oct 2026 · roexaudio.com
Pay-per-download credit
Individual download credit; mastering downloads use a credit
Read 11 Oct 2026 · automix.roexaudio.com
Automix Pro
Unlimited downloads · 32-track mixing · reference track mastering · Ableton Live Set and DAWproject export
Read 11 Oct 2026 · automix.roexaudio.com
On the record
- Audio privacy
- RoEx says uploaded audio is never used to train or improve its models and is never shared with third parties.roexaudio.com · read 11 Oct 2026
- Business use
- The mastering page says business usage is allowed and users retain full rights.roexaudio.com · read 11 Oct 2026
- Company background
- RoEx says its technology is built on research from Queen Mary University of London and that its team includes sound engineers, music makers, academics, and developers.roexaudio.com · read 11 Oct 2026
- Controls
- Users can choose a loudness target of approximately −9, −11, or −14 LUFS and select a genre profile.roexaudio.com · read 11 Oct 2026
- Desktop availability
- Automix Desktop is available to Pro users on macOS and Windows and supports local offline processing.automix.roexaudio.com · read 11 Oct 2026
- Desktop limits
- The desktop page lists a maximum track length of 10 minutes, while the web version is limited to 8 minutes.automix.roexaudio.com · read 11 Oct 2026
- Desktop requirements
- The maker says Automix Desktop runs without uploads or an internet connection and is 2–5× faster than the web version.roexaudio.com · read 11 Oct 2026
- Free preview
- You can try the mastering service and preview the result for free before paying to download it.roexaudio.com · read 11 Oct 2026
- Inputs and outputs
- The page lists WAV, FLAC, and MP3 input and output, with stereo input at 44.1–48 kHz and 16- or 24-bit.roexaudio.com · read 11 Oct 2026
- Integrations
- RoEx identifies Ableton Live and DAWproject integrations, with DAWproject exports for Bitwig Studio and PreSonus Studio One.roexaudio.com · read 11 Oct 2026
- Intended users
- RoEx describes its products as tools for musicians and producers and says its mission is to streamline creative work for musicians of any skill level.roexaudio.com · read 11 Oct 2026
- Mastering controls
- Users can choose loudness targets around −9, −11, or −14 LUFS and select a genre profile including Electronic, Hip-Hop, Rock, Acoustic, Pop, or Orchestral.roexaudio.com · read 11 Oct 2026
- Preview and delivery
- Users can A/B compare and tweak a master before downloading, and downloaded masters remain in the account library.roexaudio.com · read 11 Oct 2026
- Pricing model
- The Mastering page says downloads are paid per master or with credits, but does not state prices there.roexaudio.com · read 11 Oct 2026
- Processing
- The mastering workflow analyzes tonal balance, dynamics, stereo field, and true-peak headroom, then applies context-aware processing.roexaudio.com · read 11 Oct 2026
- Purpose
- RoEx Mastering analyzes a mix and applies EQ, multiband compression, limiting, and stereo refinement for release-ready loudness and balance.roexaudio.com · read 11 Oct 2026
- Reference matching
- Automix Pro offers Reference Match, which aligns a master’s tone, dynamics, stereo image, and loudness to a chosen track.roexaudio.com · read 11 Oct 2026
- Rights
- RoEx says users retain full ownership and rights to everything they upload and download.roexaudio.com · read 11 Oct 2026
