Stop guessing what chord you’re playing. WhatChord listens to your Bluetooth MIDI keyboard and identifies chords instantly, giving you real-time feedback to learn faster, compose smarter, and understand harmony more deeply. Play. Learn. Discover. Unlike simple note matchers, WhatChord uses musically informed analysis to determine the most plausible chord interpretation. It considers harmonic context, inversions, and conventional naming practices to present chord names the way musicians expect to see them. Features - Real-time chord recognition Chord names update immediately as you play. - Musically informed analysis Understands inversions, extensions, slash chords, and upper structures. - Alternative interpretations When multiple chord names make musical sense, you’ll see all valid interpretations. - Context-aware spelling Proper enharmonic notation based on key signature and chord function. - Customizable notation Choose the chord symbol style you prefer. - Bluetooth MIDI compatibility Requires a standard Bluetooth MIDI keyboard or controller. Comprehensive Recognition WhatChord identifies everything from basic piano triads to complex jazz harmonies. Whether you’re practicing theory exercises, learning progressions, exploring altered dominants, or voicing polychords, the app recognizes and names what you play with accuracy and musical intent. Privacy WhatChord is completely free, contains no ads, and collects no personal data. All analysis happens locally on your device. Get Started Connect your Bluetooth MIDI keyboard and let WhatChord become your real-time harmony assistant. Finally know exactly what you’re hearing.
