價格：免費
更新日期：2017-07-19
檔案大小：6.2M
目前版本：1.5.5
版本需求：Android 4.1 以上版本
官方網站：mailto:info@upper.cz
Email：https://uloz.to/!9muAcMtPo1Mv/privacy-policy-html
聯絡地址：Lublanska Praha
This app plays sound of 20 Hz - 20 kHz.
Play sound in general human hearing range and see what frequencies can your ears hear.
Find your favorite frequency and share with a friend over E-mail or SMS. See if they like it too.