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Chronal vs FMIT: catalog facts
Chronal	FMIT
Free Free and open source, with no ads.	Free Free and open source under GPL-2.0 and LGPL-2.0 licenses.
Android	Windows, macOS, Linux
Notation editor for hearing written rhythms Two synchronised metronomes for polyrhythms	Analyzes fundamental frequency in real time Supports microtonal tuning with Scala files
Android only Licence information differs between the repository and the F-Droid listing	Requires an audio input device for live tuning
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0 and LGPL-2.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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