
KeyChord is an innovative reference app designed for musicians and piano enthusiasts. This dynamic dictionary allows users to explore all scales and chords through an intuitive virtual keyboard interface. The app features a built-in 88-key multitouch piano, providing a comprehensive toolset for music theory exploration and practice.
The application stands out with its reverse lookup functionality for both chords and scales, staff view, and support for over 50 chord types and 100 scale types. KeyChord enables users to hear every chord and scale while offering customization options like dark mode and favorite chord saving. Its versatility makes it perfect for music students, composers, and performers seeking to expand their theoretical knowledge and practical skills.
KeyChord offers an impressive array of features that cater to various musical needs. The app's virtual keyboard serves as the central interface where users can interact with more than 50 chord types and 100 scale types. It provides detailed information about note names, component intervals, and supports inversions and slashed chords.
One of the standout features is the reverse lookup capability for both chords and scales, allowing users to identify complex musical structures. The integrated 7-octave multitouch piano comes with 128 different sounds from Mini Piano Pro. Additional functionalities include MIDI recording, ringtone creation, and audio playback in all modes, making this app an indispensable tool for music composition and learning.
Comprehensive chord library
Intuitive user interface
Real-time audio playback
Reverse lookup functionality
Multitouch piano feature
Steep learning curve
Premium price point
Occasional bugs reported
Heavy on system resources
Limited free features

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