- Added minor features - Improved app performance - Made minor design adjustments - Fixed minor bugs

- Added support for portrait orientation and windowed mode on iPad - Fixed minor bugs

- Improved audio playback so multiple keys can sound at the same time (chord sounds are now supported!)

- Changed the app icon - Added minor new features - Made design adjustments - Improved performance - Adjusted the range of features available for free - Fixed minor bugs

- Added a Link button (you can choose whether the highlight follows keyboard taps) - Added an yearly plan - Improved performance

- Added sound to the keyboard - Improved performance

- Added numerous new chords and scales - Added functionality to create original chords and scales - Added functionality to edit existing chords and scales - Added list view and search for chords and scales - Revamped UI - Changed the app name - Bug fixes

- Added a feature to change the theme color - Improved design - Changed the app icon - Added various features for a smoother user experience

- Added feature to change the color of the tonic of the scale - Design adjustments - Bug fixes

- Added the ability to mix code and scale colors. - Adjustment of design. - Added detailed functions to make the application more comfortable to use.

- Added chords and scales - Adjusted the design - Added minor features

- Added a subscription plan - Added minor features

- Bug fixes - Design and layout adjustments

- Changed application icon - Fixed bugs

- Corrected text

- Improved settings screen - Added an introduction page for features available in the Premium version - Improved design - Added introduction page for other applications

・Fine-tune the layout ・Resolve issues occurring on certain iOS versions

・Change the app icon ・Modify the UI

・Adjust layout ・Add feature to change selection method

・Improved UI ・Added Pentatonic Scale and Blues Scale ・Added 7sus4 ・Bug fixes

・モードスケールを追加 ・英語に対応