This app gives you an invaluable tool for mastering the fretboard. Come join over 1,000,000 musicians of all levels and see why they cant stop playing Fretboard Addict for learning & practicing bass guitar fretboard notes, chords, soloing, ear training, and sight reading. THE APP IS LOADED WITH FRETBOARD FUN:Limited Notes feature is includedLimited Chords feature is includedFull Notes, Chord and Solo features are available as in-app purchasesAlternate Tunings are available as in-app purchases