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Friture vs Open Sound Meter: catalog facts
Friture	Open Sound Meter
Free The open-source application is available without a license fee.	Freemium The desktop Community version is free; the iPad app is sold separately on the App Store.
Windows, macOS, Linux	Windows, macOS, Linux, iOS
Several views of the same live audio input	Full measurement set in the free version Cross-platform desktop builds
Live analysis requires an audio input source.	iPad version is paid Aimed at audio professionals rather than casual users
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
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 22, 2026	Official website Full listing and sources Checked October 2, 2026

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