Harmodus Piano(はーもどぅす ぴあの)

A piano app for playing in just intonation. Includes a versatile metronome, chord recognition and support for external MIDI keyboards.

The screenshots on this page show the iOS version. The Android version is available on Google Play.

Download and basic features are free. Some in-app purchases are available. ※ The app interface supports 34 languages.


01

One-touch switch between equal temperament and just intonation

Switch between equal temperament and just intonation while playing. Transposition, real-time chord recognition and sustain mode are also supported.

One-touch switch between equal temperament and just intonation
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.

Metronome for triplets, odd meters, polyrhythms, and n-tuplets
03

Full-screen keyboard mode

Hide extra controls and use the screen primarily as a keyboard.

Full-screen keyboard mode
04

Display chord names in large text

When using a MIDI keyboard, you can display recognized chord names in large text on the screen.

Display chord names in large text
05

Dark mode and theme color settings

Supports dark mode and changes to the theme color.

Dark mode and theme color settings

06—07

Connectivity and device support

  1. 06

    MIDI keyboard support

    Connect a compatible MIDI keyboard to play and control the app.

  2. 07

    Supports iPhone, iPad, iPhone Duo and Android

    The same features and layout are optimized for the screen sizes of iPhone, iPad, iPhone Duo and Android devices.

Harmodus Piano(はーもどぅす ぴあの)

A piano app for playing in just intonation. Includes a versatile metronome, chord recognition and support for external MIDI keyboards.

The screenshots on this page show the iOS version. The Android version is available on Google Play.

Download and basic features are free. Some in-app purchases are available. ※ The app interface supports 34 languages.