Fretboard Learning運行在iOS上。
| 授權： | Freeware |
| 加入日期： | 2023/11/26 |
| 發行者： | Mustapha AOUAS |
| Changelog: |
- Better onboarding experience - Highly requested features (like showing the good notes on a when a bad answer is chosen) - Various bug fixes - Better performance |
