Euterpe: Chord+Scale Entry

Euterpe is a chord and scale training app for pianists and musicians of all levels. Play on a beautifully designed minimalist 3-octaves keyboard, identify chords in real time, and sharpen your theory with timed quiz sessions. IDENTIFY MODE Play any note or chord and see it identified instantly on the LCD display. Works with touch and MIDI keyboards — plug in via USB or pair via Bluetooth and start playing immediately. CHORD TRAINING A chord appears on the display. Find the notes, press them simultaneously, and submit. Get instant feedback with colour-coded keys showing exactly what you got right and wrong. Practice inversions, shell voicings, and rootless voicings used by jazz pianists. SCALE TRAINING Practice all the essential scales — major, minor, modes, pentatonics, blues and more. The app shows which notes you hit and which you missed, with interval labels to reinforce your theory. TIMED SESSIONS Push yourself with 1, 3 or 5-minute scored sessions. Track your progress over time with a session history graph showing your improvement across multiple sessions. REFERENCE GUIDE Two-octave piano diagrams for every chord and scale, transposable to any root key. Supports both letter notation and solfège. CHOOSE YOUR SETTINGS Note names (Solfège or letters), invert keyboard, sustain and more. FREE TO TRY The four basic triads and major/minor scales are free. Unlock all 25 chord types, 14 scale types, inversions and voicings with a single one-time purchase.