Jam Timer 4 Roller Derby

Features include:

* Keep track of period, jam, and timeout times
* App will automatically keep track of the number of jams and the timeouts taken by both teams.
* Audio / visual / vibrate reminder when 10 seconds of the jam /period / timeout are remaining
* Option to hold overtime jams at the end of a bout.
* Team names can be customised
* Timer background can be customized. Add your League's logo, team photo, or any image you like.
* Preferences allow you to customize period, timeout, interval and jam time, reminder tone and/or vibrate, and to prevent accidental closure of the timer when pressing the back key
* App can prevent display from dimming / timing out during use.
* Remaining period time can be adjusted if necessary.
* Useful for practice sessions and scrimmages.
* Choose to automatically start jams or choose between starting jam or taking a timeout.