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Auphonic vs AudioCupcake: catalog facts
Auphonic	AudioCupcake
Freemium Credit-based processing; registering an account provides starting credits.	Freemium Free version with a one-time 19.95 USD premium upgrade.
Web	macOS
Automatic leveling, noise reduction and loudness normalization Voice cleaning presets that can keep music	One-drag RMS normalization for ACX Simple drag-and-drop workflow
Files are processed on a remote server Usage is limited by credits	macOS only MP3 output and peak normalization need premium
Web application, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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