
ChordDeck
5.9#20 in chord finder softwareFrom $2.99 a monthiOSWeb
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ChordDeck suits guitar players who want randomized progression practice, fretboard chord references, and scale exercises. It is useful for people practicing on iOS and web with synchronized sessions.
Chordify suits beginners learning an instrument as well as working musicians who want chord guidance while playing. It supports guitar, ukulele, piano, and mandolin, with mandolin limited to the website and Android app.