钢琴和弦-PianoChord

Learn chords from zero—336 chords, 156 scales, 29 theory articles, all offline. Tap-key lookup, diatonic I–VII, progression editor with waterfall view,playback

New to music theory? PianoChord puts lookup, playback, and practice in your pocket—336 chords, 156 scales, and 29 theory articles, all offline.

LIBRARY · Filter by root and category: triads, sevenths, extensions, sus, scales · Detail pages: notes, degrees, theory tips, memorization curve · Block & arpeggio playback; favorites and recent items

CHORD LOOKUP · Tap keys to identify chord names and structures · Jump to full detail in one tap

DIATONIC & PROGRESSIONS · Diatonic chords in 12 keys (major/minor, triads & sevenths) · Edit progressions; presets like I–V–vi–IV and ii–V–I · Waterfall visualization with playback

VOICING · Inversions, Drop2 / Drop3; compare sounds instantly

METRONOME & THEORY · BPM, time signature, accents · 29 articles in 5 categories for beginners

11 LANGUAGES · UI in 11 languages; chord copy and theory articles localized (English fallback)

· Dark, clean UI · Local storage, no sign-up

Download PianoChord—look up, listen, and learn your first C major today.

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