{"assets":{"app_about":{"about_data":{"description":"The 2.0 version has been featured on Google Play and made it to the top selling list!!

Keychord is the dynamic dictionary / reference app for piano chords and scales. Use it to find all the scales and chords! Also included is a 88 key multitouch piano!

In short:
Easy virtual keyboard to lookup and play around with all chords and scales. Lots of chordtypes and scaletypes to choose from. Also reverse lookup and staff view.
Included is the 7 octave scrollable multitouch minipiano with 128 different sounds from Mini Piano Pro.

Features:
- 50+ ChordTypes
- 100+ ScaleTypes
- Note Names
- Component Intervals
- Reverse Chord & Scale Lookup, including Partial Chords
- Inversions / Slashed Chords
- Staff View
- Favorite and recent Chordtypes
- Hear every Chord and Scale
- Dark mode support
- Full 88 key multitouch virtual piano from Mini Piano Pro
- Record songs as midi and set them as ringtone

In detail:
KeyChord is built around a virtual keyboard that you can use to interact with the selected chord- or scaletype. You can for instance tap on a key to make it the root of the chord or you can longpress a selected chordnote to invert the chord to that position. Same goes for scales. Tap a already selected rootnote for different kind of information modes like note-names or intervals.

Everything is dynamic, we don't use a database to give you a few predefined chord locations, but we know how a chord works and let you select a chord everywhere you want.

To add to the dynamic nature of this app, we also included a reverse lookup, both for chords and scales. Easily select the notes of the chord you have in mind (or have discovered on your piano) and let KeyChord tell you how it's called. It supports even missing notes (Like CMaj7 (no 5th)).

Audio playback is also enabled in all modes.

As bonus Mini Piano Pro is included. 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- Audio quality improvements and noise / distortion reduction
- Reduced app file size
- Bugfixes
- Stability improvements ","app_id":"umito.android.keychord","formatted_release_date":"Aug 04, 2026"},{"version":"2.170","release_date":"2026-08-04","description":"More note label options. (Japanese and Chinese DoReMi)
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- Update Mini Piano Pro to latest version:
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-- Speed slider improvements in song mode, including even lower speed options.","app_id":"umito.android.keychord","formatted_release_date":"Nov 10, 2025"},{"version":"2.168","release_date":"2025-11-10","description":"More note label options.
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-- Speed slider improvements in song mode, including even lower speed options.","app_id":"umito.android.keychord","formatted_release_date":"Oct 01, 2025"},{"version":"v.2025.08.06","release_date":"2025-08-06","description":"- Staff view scale playback doesn't loop anymore. It plays according to swipe direction.
- Update Mini Piano Pro to latest version:
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-- Speed slider improvements in song mode, including even lower speed options.","app_id":"umito.android.keychord","formatted_release_date":"Aug 06, 2025"},{"version":"v.2025.04.15","release_date":"2025-04-16","description":"- Update mini piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Apr 16, 2025"},{"version":"2.156","release_date":"2025-04-16","description":"- Fix crash when chords are played that are partially outside piano keyboard range.","app_id":"umito.android.keychord","formatted_release_date":"Apr 16, 2025"},{"version":"2.150","release_date":"2025-01-15","description":"- Added dark mode support
- Added fullscreen mode
- Updated Mini Piano to latest version that also supports dark mode
- Some small quality of life improvements","app_id":"umito.android.keychord","formatted_release_date":"Jan 15, 2025"},{"version":"2.148","release_date":"2024-09-04","description":"Updated Mini Piano to latest version","app_id":"umito.android.keychord","formatted_release_date":"Sep 04, 2024"},{"version":"2.146","release_date":"2024-09-04","description":"Updated Mini Piano to latest version","app_id":"umito.android.keychord","formatted_release_date":"Sep 04, 2024"},{"version":"2.144","release_date":"2024-05-14","description":"Updated Mini Piano to latest version
Fix crash reporting","app_id":"umito.android.keychord","formatted_release_date":"May 14, 2024"},{"version":"2.142","release_date":"2024-04-24","description":"Improved hiding of buttons in lock modes.
Performance and compatibility improvements.","app_id":"umito.android.keychord","formatted_release_date":"Apr 24, 2024"},{"version":"2.140","release_date":"2024-01-06","description":"Performance and compatibility improvements.","app_id":"umito.android.keychord","formatted_release_date":"Jan 06, 2024"},{"version":"2.138","release_date":"2023-11-27","description":"Re-add Mini Piano Pro separate app icon, but also make it optional with a setting in the keychord settings screen.
Note that on older devices (Android 8 and lower) it might take a few seconds to actually hide/show in the Android app list.","app_id":"umito.android.keychord","formatted_release_date":"Nov 27, 2023"},{"version":"2.134","release_date":"2023-08-18","description":"Remove second launcher icon for Mini Piano.
Match latest Mini Piano:
- Remove toast message when starting/stopping playback of recording in piano view
- Transpose range increased to -24 ..+24
Minor fixes and improvements","app_id":"umito.android.keychord","formatted_release_date":"Aug 18, 2023"},{"version":"2.132","release_date":"2023-08-18","description":"Update to match latest Mini Piano.
Add quick exit button to main dashboard.
Add separate launcher entry for Mini Piano","app_id":"umito.android.keychord","formatted_release_date":"Aug 18, 2023"},{"version":"2.130","release_date":"2023-02-22","description":"New key design!
Custom tuning frequency and dual instrument options in piano.

- Fix icon","app_id":"umito.android.keychord","formatted_release_date":"Feb 22, 2023"},{"version":"2.128","release_date":"2022-05-18","description":"2.128:
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- Fix a few minor issues","app_id":"umito.android.keychord","formatted_release_date":"May 18, 2022"},{"version":"2.126","release_date":"2022-05-18","description":"2.126:
- Update piano to newest version
- Fix bug where older Android devices failed to export to mp3/aac/wav
- Fix settings toggles resetting in some circumstances

2.122
- Support a lot more languages
- Add new songs to piano and improve song mode rendering performance","app_id":"umito.android.keychord","formatted_release_date":"May 18, 2022"},{"version":"2.122","release_date":"2022-02-24","description":"2.122
- Support a lot more languages
- Add new songs to piano and improve song mode rendering performance

2.94:
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- Added option to change note names like 'Do - Re - Mi' or German 'H'
- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet","app_id":"umito.android.keychord","formatted_release_date":"Feb 24, 2022"},{"version":"2.120","release_date":"2021-10-27","description":"2.120
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- Add new songs to piano and improve song mode rendering performance

2.94:
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- Added option to change note names like 'Do - Re - Mi' or German 'H'
- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet","app_id":"umito.android.keychord","formatted_release_date":"Oct 27, 2021"},{"version":"2.118","release_date":"2021-09-24","description":"2.118:
- Fix app icon

2.94:
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- Added option to change note names like 'Do - Re - Mi' or German 'H'
- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Sep 24, 2021"},{"version":"2.116","release_date":"2021-09-22","description":"2.116:
- Update MiniPiano to latest version

2.94:
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- Added option to change note names like 'Do - Re - Mi' or German 'H'
- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Sep 22, 2021"},{"version":"2.114","release_date":"2021-08-04","description":"2.114:
- Fix dark mode being forced in MIUI devices

2.94:
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- Added option to change note names like 'Do - Re - Mi' or German 'H'
- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Aug 04, 2021"},{"version":"2.112","release_date":"2021-05-11","description":"2.112:
- Resize all keyboards to 88 keys / 7 octaves

2.94:
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- Added option to change note names like 'Do - Re - Mi' or German 'H'
- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"May 11, 2021"},{"version":"2.110","release_date":"2021-04-18","description":"2.110:
- Fix a few rare crashes
- Updated Mini Piano

2.94:
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- Added option to change note names like 'Do - Re - Mi' or German 'H'
- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Apr 18, 2021"},{"version":"2.106","release_date":"2021-01-13","description":"2.106:
- Fix multitouch in swipe piano view when scroll lock is active

2.104
- Stability fixes
- Updated piano with scroll-lock

2.94:
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- Added option to change note names like 'Do - Re - Mi' or German 'H'
- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Jan 13, 2021"},{"version":"2.104","release_date":"2021-01-10","description":"2.104
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- Added option to change note names like 'Do - Re - Mi' or German 'H'
- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Jan 10, 2021"},{"version":"2.102","release_date":"2020-10-15","description":"2.102
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- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Oct 15, 2020"},{"version":"2.100","release_date":"2020-10-07","description":"2.100
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- Reverse chord and scale lookup displays more info, like component intervals when chord/scale is found
- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Oct 07, 2020"},{"version":"Varies with device","release_date":"2020-06-28","description":null,"app_id":"umito.android.keychord","formatted_release_date":"Jun 28, 2020"},{"version":"2.94","release_date":"2020-03-31","description":"- Added proper rendering of ♯ and ♭
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- Improved swipe detection in staff view, for playing or inverting.
- Improved layout for tablet
- Updated Mini Piano to latest version.","app_id":"umito.android.keychord","formatted_release_date":"Mar 31, 2020"},{"version":"2.92","release_date":"2019-12-23","description":"- Remove screen animations when switching from keyboard to staff display.
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- Retuned sampled piano from 443Hz to 440Hz.","app_id":"umito.android.keychord","formatted_release_date":"Dec 23, 2019"},{"version":"2.90.2","release_date":"2019-11-21","description":"Fix crash on tablet version.
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Added switch button for immediate switching between keyboard and staff view. Easily see your selected chord or scale in the staffview or show it on the keyboard.

Fixed audio hiccups when switching between screens.

Upgraded minipiano to 88 keys.

We have started active development again on KeyChord after a long hiatus, working to a new 3.0 version. If you have suggestions or other feedback, please email us at feedback@umito.nl.","app_id":"umito.android.keychord","formatted_release_date":"Nov 21, 2019"},{"version":"2.90","release_date":"2019-11-19","description":"Added switch button for immediate switching between keyboard and staff view. Easily see your selected chord or scale in the staffview or show it on the keyboard.

Fixed audio hiccups when switching between screens.

Upgraded minipiano to 88 keys.

We have started active development again on KeyChord after a long hiatus, working to a new 3.0 version. If you have suggestions or other feedback, please email us at feedback@umito.nl.","app_id":"umito.android.keychord","formatted_release_date":"Nov 19, 2019"},{"version":"2.86","release_date":"2019-11-13","description":"Added high res icons.
Updated Mini Piano to latest version.
Updated Russian translation.

If experiencing problems on Android 8.1+ with audio, try disabling the new engine in the settings.","app_id":"umito.android.keychord","formatted_release_date":"Nov 13, 2019"},{"version":"v.2017.06.10","release_date":"2017-06-10","description":"2.70:
- Fix layout issues for note labels
- Add export to MP3 option to Mini Piano
2.68:
- Updated translations. Thanks translators! If you also want to help translate, join us at Crowdin using the link in the app's settings page!","app_id":"umito.android.keychord","formatted_release_date":"Jun 10, 2017"},{"version":"v.2017.03.25","release_date":"2017-03-25","description":"Updated translations. Thanks translators! If you also want to help translate, join us at Crowdin using the link in the app's settings page!","app_id":"umito.android.keychord","formatted_release_date":"Mar 25, 2017"},{"version":"v.2017.01.15","release_date":"2017-01-15","description":"2.66:
- Improved audio latency for devices without fastmixer support.
2.64:
- Fixed display issues with scales staff view as reported by a user.
2.62:
-- Fixed issue where no sound would be played back in some cases when using Android 4.4+.
2.60:
- Disable Dolby on supported devices other then those from Amazon due to unfixable crashes.
- Improve audio responsiveness on Android 4.4+
2.56:
- Updated translation: New Czech language. Thanks!
- Updated Mini Piano and improved audio rendering","app_id":"umito.android.keychord","formatted_release_date":"Jan 15, 2017"},{"version":"v.2016.12.16","release_date":"2016-12-16","description":"2.64:
- Fixed display issues with scales staff view as reported by a user.
2.62:
-- Fixed issue where no sound would be played back in some cases when using Android 4.4+.
2.60:
- Disable Dolby on supported devices other then those from Amazon due to unfixable crashes.
- Improve audio responsiveness on Android 4.4+
2.56:
- Updated translation: New Czech language. Thanks!
- Updated Mini Piano and improved audio rendering","app_id":"umito.android.keychord","formatted_release_date":"Dec 16, 2016"},{"version":"v.2016.11.08","release_date":"2016-11-08","description":"2.62:
-- Fixed issue where no sound would be played back in some cases when using Android 4.4+.
2.60:
- Disable Dolby on supported devices other then those from Amazon due to unfixable crashes.
- Improve audio responsiveness on Android 4.4+
2.56:
- Updated translation: New Czech language. Thanks!
- Updated Mini Piano and improved audio rendering","app_id":"umito.android.keychord","formatted_release_date":"Nov 08, 2016"},{"version":"v.2016.10.31","release_date":"2016-10-31","description":"2.60:
- Disable Dolby on supported devices other then those from Amazon due to unfixable crashes.
- Improve audio responsiveness on Android 4.4+
2.56:
- Updated translation: New Czech language. Thanks!
- Updated Mini Piano and improved audio rendering","app_id":"umito.android.keychord","formatted_release_date":"Oct 31, 2016"},{"version":"v.2016.05.22","release_date":"2016-07-25","description":"2.56:
- Updated translation: New Czech language. Thanks!
- Updated Mini Piano and improved audio rendering","app_id":"umito.android.keychord","formatted_release_date":"Jul 25, 2016"},{"version":"2.18","release_date":"2015-05-12","description":"The 2.0 version has been featured on the Android Market and made it to the top selling list!!

Keychord is the dynamic dictionary / reference app for piano chords and scales. Use it to find all the scales and chords! Also included is a 5 octave multitouch piano!

In short:
Easy keyboard to lookup and play around with all chords and scales. Lots of chordtypes and scaletypes to choose from. Also reverse lookup and staff view.
Included is the 5 octave scrollable multitouch minipiano with 128 different sounds from Mini Piano Pro.

Features:
- 50+ ChordTypes
- 100+ ScaleTypes
- Note Names
- Component Intervals
- Reverse Chord & Scale Lookup, including Partial Chords
- Inversions / Slashed Chords
- Staff View
- Favorite and recent Chordtypes
- Hear every Chord and Scale
- Full 5 octave multitouch piano from Mini Piano Pro
- Record songs as midi and set them as ringtone

In detail:
KeyChord is built around a visual keyboard that you can use to interact with the selected chord- or scaletype. You can for instance tap on a key to make it the root of the chord or you can longpress a selected chordnote to invert the chord to that position. Same goes for scales. Tap a already selected rootnote for different kind of information modes like note-names or intervals.

Everything is dynamic, we don't use a database to give you a few predefined chord locations, but we know how a chord works and let you select a chord everywhere you want.

To add to the dynamic nature of this app, we also included a reverse lookup, both for chords and scales. Easily select the notes of the chord you have in mind (or have discovered on your piano) and let KeyChord tell you how it's called. It supports even missing notes (Like CMaj7 (no 5th)).

Audio playback is also enabled in all modes.

As bonus the playable piano from Mini Piano Pro (128 sounds and 5 octaves) is included.

Ideal companion for a learning fakebook or realbook jazz piano.

","app_id":"umito.android.keychord","formatted_release_date":"May 12, 2015"},{"version":"2.16","release_date":"2015-04-11","description":"The 2.0 version has been featured on the Android Market and made it to the top selling list!!

Keychord is the dynamic dictionary / reference app for piano chords and scales. Use it to find all the scales and chords! Also included is a 5 octave multitouch piano!

Everything is dynamic, we don't use a database to give you a few predefined chord locations, but we know how a chord works and let you select a chord everywhere you want.

Audio playback is also enabled in all modes.

As bonus the playable piano from Mini Piano Pro (128 sounds and 5 octaves) is included.

Ideal companion for a learning fakebook or realbook jazz piano.

==
Internet connection is only used for for OPT-IN statistics.

","app_id":"umito.android.keychord","formatted_release_date":"Apr 11, 2015"},{"version":"2.15","release_date":"2014-11-26","description":"The 2.0 version has been featured on the Android Market and made it to the top selling list!!

Keychord is the dynamic dictionary / reference app for piano chords and scales. Use it to find all the scales and chords! Also included is a 5 octave multitouch piano!

Everything is dynamic, we don't use a database to give you a few predefined chord locations, but we know how a chord works and let you select a chord everywhere you want.

Audio playback is also enabled in all modes.

As bonus the playable piano from Mini Piano Pro (128 sounds and 5 octaves) is included.

Ideal companion for a learning fakebook or realbook jazz piano.

==
Internet connection is only used for for OPT-IN statistics.

","app_id":"umito.android.keychord","formatted_release_date":"Nov 26, 2014"},{"version":"v.2.14","release_date":"2014-11-03","description":"","app_id":"umito.android.keychord","formatted_release_date":"Nov 03, 2014"},{"version":"v.2.12","release_date":"2014-10-15","description":"","app_id":"umito.android.keychord","formatted_release_date":"Oct 15, 2014"},{"version":"v.2.10","release_date":"2014-09-14","description":"","app_id":"umito.android.keychord","formatted_release_date":"Sep 14, 2014"},{"version":"v.2.9.9","release_date":"2014-09-08","description":"","app_id":"umito.android.keychord","formatted_release_date":"Sep 08, 2014"},{"version":"v.2.9.8","release_date":"2014-05-11","description":"","app_id":"umito.android.keychord","formatted_release_date":"May 11, 2014"},{"version":"v.2012.10.04-beta","release_date":"2012-10-04","description":"","app_id":"umito.android.keychord","formatted_release_date":"Oct 04, 2012"},{"version":"v.2.4-beta","release_date":"2012-07-04","description":"","app_id":"umito.android.keychord","formatted_release_date":"Jul 04, 2012"},{"version":"v.2.3.4-beta","release_date":"2012-06-14","description":"","app_id":"umito.android.keychord","formatted_release_date":"Jun 14, 2012"},{"version":"v.2.3.3-beta","release_date":"2012-04-11","description":"","app_id":"umito.android.keychord","formatted_release_date":"Apr 11, 2012"},{"version":"v.2.3-beta","release_date":"2012-02-28","description":"","app_id":"umito.android.keychord","formatted_release_date":"Feb 28, 2012"},{"version":"v.2.2.2-beta","release_date":"2012-01-24","description":"","app_id":"umito.android.keychord","formatted_release_date":"Jan 24, 2012"}],"filters":{"store":"google_play"},"other_data":{"store_id":"umito.android.keychord","file_size":0,"os_compatibility":"Android 7.0 and up","age_rating":"Everyone","languages_list":[],"permissions":[],"interactive_elements":[],"app_products":[],"privacy_url":"https://www.umito.nl/privacy/keychord-android-privacy-policy.html","url":"https://play.google.com/store/apps/details?id=umito.android.keychord","store":"google_play"}}}}

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