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Switch Audio File Converter vs Permute: catalog facts
Switch Audio File Converter	Permute
Freemium Free for non-commercial use; commercial use requires a paid licence.	Paid One-time $14.99 licence with a free trial; also on the Mac App Store and Setapp.
Windows, macOS, Android	macOS
Batch conversion of many files at once Wide range of input and output formats, including dictation formats	Simple drag-and-drop conversion Handles video, audio, images and PDFs
Free version limited to non-commercial use Closed source	Permute 4 needs macOS 26 and Apple Silicon Mac only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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