A keyboard made for entering chord progressions
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.
Multiple Chord Visualizations Supported
Score View
Chords are displayed on a musical staff. This view makes it easy to understand the pitch and structure visually—ideal for those familiar with sheet music.
Piano View
Chord tones are shown on a keyboard layout. This helps you intuitively grasp finger positioning and note relationships.
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.
Feature Comparison
| Free | Premium | |
| Chord Input Assistance | L | L |
| Chord Visualization | L | L |
| Copy Chord Image | L | L |
| On-Chord Input | L | L |
| Chord Notation Conversion | L | L |
| Chord Display Settings | L | L |
| Chord Playback | L | |
| Arpeggio Playback | L | |
| Transpose | L | |
| Input History | L | |
| Add to Favorites | L | |
| Copy Chord Image Without Logo | L | |
| Slide Input | L | |
| Degree Labels on Piano Chord Visualization | L |
FAQ
Q. How do I get started with the keyboard?
A. Once you've installed the app, go to your iPhone or iPad settings to add the keyboard. For step-by-step instructions, please refer to the Setup Guide in the app.
Q. Can I quickly enter chord progressions?
A. Yes. The available keys are highlighted, making it easy to find and enter the ones you need.
Q. Can I use it as a chord dictionary?
A. Yes. With highlighted input options and visual chord representations, it's great for looking up chords. Since it's a keyboard, you can freely use it to take notes or search the web as well.
Q. Can I hear what a chord sounds like?
A. You can tap the chord visualization shown while entering progressions to hear how it sounds.*Premium feature
Q. Can I use it for transcribing music by ear?
A. Yes. You can play chords over music even when it's playing in the background, making it ideal for ear training.*Premium feature
Q. Can I change how chords are displayed?
A. Yes. In the settings, you can customize chord symbols to match your preference — for example, change "M" to "△" or "on" to "/".
Q. Are tensions and altered tensions also supported in the highlighted suggestions?
A. Yes. Tensions and altered tensions are automatically highlighted as suggestions when they can be entered next.
Send Feedback
If you encounter any issues or have feature requests, please let us know.
Pumi Chord Keyboard
For details, please refer to the App Store.