Timing Rocks! is a simple to use and beautifully designed fitness timer. Convenient stopwatch with lap times will help you record your progress during a workout or racing. And to get the maximum efficiency of your workouts you can use the Interval Timer which will let you keep track of your work and rest periods. Compatible with S^3 / Anna / Belle Smart Phones. If you are new to fitness, remember two things. First – getting fit requires hard work. Second – right timing is everything. Good luck and see you on the road!