Learn harmonica by playing every note in tune

Real-time pitch detection via microphone, mapped onto an interactive harmonica — so you know which hole to play, and whether you played it right.

What it does

Everything you need to learn harmonica

Real-time pitch detection via microphone, mapped onto a live harmonica diagram.

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Piano roll, Jianpu, and staff notation — switch views while following along.

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Scale patterns, 12-bar blues improvisation, rhythm training.

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Record your playing, replay, and export as MIDI.

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21 keys, 25+ tunings (diatonic + chromatic 8/10/12/14/16), custom editor, interactive circle of fifths.

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See it in action

Switch between piano roll, Jianpu, and staff notation — whichever works for you.

Practice

Scale patterns, 12-bar blues improvisation, rhythm drills — all with musical backing.

Scale & pattern drills — scales, intervals, arpeggios, sequences
12-bar blues improvisation — drums + bass + keys backing, chord grid shown live
Rhythm training — cumulative difficulty levels

Also on tablet

Landscape layout purpose-built for the larger screen — all features, more room.

Free on iOS, Android, and the web.