Powerful input assistance that lets you enter chords quickly and accurately
Powerful input assistance that lets you enter chords quickly and accurately
When you enter a key, the next possible keys are highlighted in real time.
Even tensions and altered tensions are easy to find. Turn the chord progression in your head into accurate, fast input.
Chord visualization that shows the entered chord at a glance
Chord visualization that shows the entered chord at a glance
The chord you're entering is visualized in real time.
You can copy the chord image and paste it into a notes app, or drag and drop it directly into other apps.
Chord playback lets you hear the sound instantly
Chord playback lets you hear the sound instantly
You can listen to chords as you go to check the flow of your progression or fine-tune the nuance of tension chords.
It also lets you enter chord progressions while transcribing by ear, and play them back in sync with background music for easy comparison.
Transpose changes the pitch of the chords you enter
Transpose changes the pitch of the chords you enter
You don't need to re-enter your entire chord progression from scratch just to change the key.
Many other useful features
Copy Chord Image
Copy the chord image to the clipboard as a picture. You can also drag and drop it directly into other apps.
On-Chord Input
Supports on-chord input and reflects it in the chord visualization.
Arpeggio Playback
Swipe up to play from the low note, or swipe down to play from the high note in sequence.
Chord Notation Conversion
Convert entered chords into alternative notations that represent the same harmony.
Chord Display Settings
Customize chord symbols to your preference — for example, change "M" to "△" or "on" to "/".
Input History
Recall previously entered chord progressions from history.
Favorites
Mark your favorite entries from input history and easily access them anytime.
Slide Input
Enter chords by sliding your finger across the keyboard.
Send Feedback
If you encounter any issues or have feature requests, please let us know.