IGuitar
Young Game Studio
iGuitar - Major Scale Modes
AmparoSoft
GuitarTuna: 吉他调音器、和弦、吉他谱和歌曲
Yousician Ltd.
Simply Guitar - 吉他陪练
Simply Ltd
Gibson: Learn to Play Guitar
Zoundio AB
Ultimate Guitar: Chords & Tabs
Ultimate Guitar USA LLC
Fretonomy - 学习指板
Strong Apps LLC
Tonebridge Guitar Effects
Musopia Guitar - Learn Guitar
Musopia