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Chronal vs Practice Suite: catalog facts
Chronal	Practice Suite
Free Free and open source, with no ads.	Free Available as free software under AGPL-3.0-or-later.
Android	Android, iOS
Notation editor for hearing written rhythms Two synchronised metronomes for polyrhythms	Combines a metronome, tuner, recorder, and practice log Tracks practice goals and statistics
Android only Licence information differs between the repository and the F-Droid listing	Tuning requires microphone input.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: AGPL-3.0-or-later
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.