Use APKPure App
Get Take Your Marks - for swimmers - old version APK for Android
수영 선수를위한 연습 앱을 시작하십시오. 매우 간단하고 사용하기 쉽습니다.
This is the app for start practice for swimmers.
When you push start button,
(Whistle) -> "Take your marks" -> (Start Sound)
is playing.
The interval between "Take your marks" and "Start Sound" is randomly set.
Noise can be running. You can practice in a competition environment.