Apps like s.mart Fretboard Trainer Quiz

Here are some great alternatives to s.mart Fretboard Trainer Quiz by s.mart Music Lab :
Guitar Fretboard: Scales
Guitar Fretboard: Scales
★4.9
Fretonomy - Learn Fretboard
Fretonomy - Learn Fretboard
★4.2
Fretboard Learn
Fretboard Learn
★4.3
Scales Learn
Scales Learn
★4.3
Fretter - Chords
Fretter - Chords
★4.7
Fretter Lite - Chords
Fretter Lite - Chords
★4.3
Guitarist's Reference Pro
Guitarist's Reference Pro
★3.3
Ultimate Guitar: Tabs & Chords
Ultimate Guitar: Tabs & Chords
★4.9
True Guitar Tuner
True Guitar Tuner
★3.9
Guitar Tuner Pro: Music Tuning
Guitar Tuner Pro: Music Tuning
★4.3
Perfect Tuner
Perfect Tuner
★4.5
Strings Tuner - Guitar Ukulele
Strings Tuner - Guitar Ukulele
★4.4
Acoustic electric guitar game
Acoustic electric guitar game
★4.1
GuitarTuna: Tuner,Chords,Tabs
GuitarTuna: Tuner,Chords,Tabs
★4.6
Fender Play - Learn Guitar
Fender Play - Learn Guitar
★4.5
Bass Guitar Tutor
Bass Guitar Tutor
★4.3