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Semitone

Name: Semitone
Author: Andy Tockman

Andy Tockman

tuner, metronome, and piano

Multimedia
FOSS
Free
No ads
No tracking

Android only

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Semitone is a tool for musicians that includes a tuner, a metronome, and a piano. The design is as simple and easy-to-use as possible while implementing many useful details, such as: * an option to set A4 pitch for alternative tunings * the ability to manually set strong beats on the metronome * dynamic resizing of the piano keyboard

Developer: Andy Tockman
Website: tck.mn/semitone/
Source code: github.com/tckmn/semitone
Added to AppCosmos: 10 October 2026
License: GPL-3.0-or-later