- iOS App Store
- Paid
- 小舟 苏
- Education, Music
Based on 225 votesRelease Date: February 2012Last Update On: September 2026
Know every note on the fretboard, instantly. Quick daily quizzes train your memory until chords, scales, solos make sense anywhere on the neck. 4.7 stars, 200+ ratings. Since 2012. One-time purcha...