Onion Timer

An interval workout timer with a simple and beautiful design, for your daily workouts. To track your workout and rest periods. You can also configure multiple presets/timers for your different workouts.

Features:
* Customizable cycles/sets, prepare/workout/rest interval for your own need.
* Multiple presets/timers support.
* Prevent phone auto-lock while the timer is running.
* Voice assist.
* Running in background with voice assist.
* Multiple language support, e.g.: English/Chinese.