Strong Apps LLC

Creator of the best mobile app to practice and memorize the fretboard for the guitar: Fretonomy.
Fretonomy - Learn Fretboard
Strong Apps LLC
In-app purchases
Master notes, chords, intervals, and scales on guitar and other instruments!
3,7
2,28K reviews
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PEGI 3
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Master notes, chords, intervals, and scales on guitar and other instruments!
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