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Friture vs Audio Spectrum Analyzer: catalog facts
Friture	Audio Spectrum Analyzer
Free The open-source application is available without a license fee.	Free Free and open source under the Apache-2.0 licence, with no ads.
Windows, macOS, Linux	Android
Several views of the same live audio input	Logarithmic or linear frequency axis Useful for noise measurement, instrument tuning and timing sound events
Live analysis requires an audio input source.	Android only Measurement accuracy depends on the phone's microphone
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it 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.