價格：免費
更新日期：2016-01-24
檔案大小：4.9 MB
目前版本：1.1.2
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Improve your intonation on string instruments, fretles bass or singing.
This app plays scales (major, minor), chords (major, minor, diminished, augmented) or organ points in all 12 keys. The looping function and adjustable speed makes this app your perfect companion for daily practicing.
支援平台：iPhone, iPad