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Audacity vs Fission: catalog facts
Audacity	Fission
Free Free and open source under GPLv3. The vendor promotes paid plugins through MuseHub, but…	Paid Paid app with a free download to try it before purchase.
Windows, macOS, Linux	macOS
Multi-track recording and editing with a long list of built-in effects Runs on Windows, macOS and Linux with the same project format	Lossless cutting and trimming of MP3 and AAC Batch conversion between common formats
Audacity 4 changed the interface, so most existing tutorials show the old one It is a destructive editor at heart; it is not a multi-track DAW for music production	macOS only Not a multitrack or effects-heavy editor
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

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