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Auphonic vs iZotope RX: catalog facts
Auphonic	iZotope RX
Freemium Credit-based processing; registering an account provides starting credits.	Paid Commercial software sold in several editions.
Web	Windows, macOS
Automatic leveling, noise reduction and loudness normalization Voice cleaning presets that can keep music	Noise removal and dialogue isolation for spoken audio Available as plugins for use inside other audio software
Files are processed on a remote server Usage is limited by credits	Paid, with the full toolset in the higher editions Aimed at professionals rather than casual users
Web application, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.