간격은 간단하고 사용하기 쉽습니다. 광고가 없는 프로 버전.
An interval timer for training and workouts or work and rest times. Interval is simple and easy to use. An awesome timer, whether you're working on cycling, running, lifting weights, exercise, workout, stretching, or boxing.
Suitable for all kinds of activities, including Boxing round timer, Circuit training, HIIT training, etc.