BoxTimer

BoxTimer is iPhone version of boxing timer with the same functionality, allowing you to set length of lap, length of pause period and number of laps.

Application also contains sounds effects, so you can just set it up, start and focus on the match itself. Sounds will let you know, when the lap is over and when the next one begins. Additionaly, you can pause the countdown any time or reset it to default state.

For users, who are not familiar with this timer, info line with possible commands is always visible in bottom part of screen.