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Piezo vs Record Apps: catalog facts
Piezo	Record Apps
Paid Paid app with a free download to try it before buying.	Free Free and open source under the MIT licence.
macOS	Linux
Records audio from almost any Mac application or input device Saves call participants to separate channels	Records a single application's audio Can pick a specific output of an application
macOS only Paid after the trial	Linux only and requires PipeWire Small project with a basic feature set
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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