01
One-touch switch between equal temperament and just intonation
Switch tuning while you play. Transpose, real-time chord detection, and sustain are also built in.
Harmodus Piano（はーもどぅす ぴあの）
iOS piano app for switching between equal temperament and just intonation, with transpose, chord detection, a polyrhythm metronome, and MIDI.
* The app interface supports 34 languages, including this one.
02
Metronome for triplets, odd meters, polyrhythms, and n-tuplets
Use the metronome to set triplets, odd meters, polyrhythms, and n-tuplets for practice or performance.
03
Full-screen keyboard mode
Hide extra controls and use the screen primarily as a keyboard.
04
Large chord name display for MIDI keyboards
Displays the detected chord name at a large size when using a MIDI keyboard.
05
Dark mode and customizable theme colors
Choose dark mode and adjust theme colors to suit your environment.
06—07
Connectivity and device support
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06
MIDI keyboard support
Connect a compatible MIDI keyboard to play and control the app.
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07
Support for iPhone and iPad
The same features and layout are optimized for both iPhone and iPad.
Harmodus Piano（はーもどぅす ぴあの）
iOS piano app for switching between equal temperament and just intonation, with transpose, chord detection, a polyrhythm metronome, and MIDI.