Name: Referee Timer
Rating: 3.9 (46 reviews)
Author: Gofasterdjh

To exit the app, press "back" 3 times within 5 seconds. 
Choose from predefined times or select a custom time. 
GPS tracking on/ off.
Tones on/ off.
Records multiple periods.

Referee timer with two timers - one counts up from 0 to your preset time, the other down from your preset time to 0.
Preset (game) time runs continuously. Counts up from 0 to the selected time.
Actual time can be paused and restarted to cater for stoppage time. Counts down from selected time to 0.
Standard timers and custom time setting. You can select your own time period. 
Vibrate when game time and actual time over. Vibrates every 5 seconds when paused - in case you have forgotten to restart the timers.
Auto-reset for 2nd/ additional periods. Can have more than 2 periods - timer just resets to the preset countdown time. When this finishes you can click the Start button to start a new timer of the same duration - all logged as one activity. 

View shows:
Preset (game) time - runs continuously without stopping
Game time - stops when paused
Clock time/ Status messages

Status messages:
PAUSED - Actual time has been paused.
PRESET TIME OVER - Game time has run out.
PAUSED - PRESET OVER - Game time has run out but there is still actual time left. The actual time counter is paused.
ACTUAL TIME OVER - Actual time counter has reached zero.