價格：免費
檔案大小：3.1 MB
版本需求：系統需求：iOS 13.0 與 watchOS 6.1 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
This watch will help you quickly even though you don't have network connection or phone beside you.
Just see your arm watch and that's it!
Let's make cello tuning easier.