Check out this app. It is used for referees to keep score of fencing bouts. This can do all of the essentials plus much more. It has a timer, score buttons, reset buttons, period button and a button to change time. The main page has all of this: It also has the ability to keep track of penalties, both red and yellow cards (If you need a black card, just turn your phone around.) It can also start a injury timer if something bad happens. Here is the other screen: There are also setting (Menu>Settings). They let you:
Here is what that screen looks like: |


