Boxing Timer Pro 1

the author of this app says:

A professional grade, fully configurable boxing round timer for iPhone, iPad and iPod touch. Designed for training in any round sport such as boxing martial arts, wrestling, Mixed Martial Arts (MMA), Muay Thai, or for any other round timer needs.

The built in Workout DJ can automatically play selected music every time you workout. External display support allows you to use from a large distance. Multitasking allows for running in the background.

BASIC FEATURES:
Fully configurable sounds & times
Beautiful interface with large time display
Set times & sounds for preparation, round, warning, and rest
Color indication of phase
Blinking to alert warning
screen stays on automatically
Works with screen on, or off
Portrait & landscape support
Set sound volume and vibration (iPhone)
Pause and resume session

ADVANCED FEATURES:
Runs on iPhone + iPad
External display support (iPhone 4, iPod touch 4th gen, iPad & iPad 2)
Multitasking support
Auto play music when you start
Programmable Presets
9 Authentic sounds/bells

USES FOR THIS iOS iPhone & iPad APP:
Boxing Timer
Round Timer
Interval Timer
Countdown clock
Mixed Martial Arts (MMA)
Muay Thai
Kickboxing
Wrestling
Personal Boxing Training Timer
Gym Timer