What is this app good for? I bought my super-duper sport watch that should be able guide me through my workouts.

Believe it or not, I was in the same boat as you! I used to do competitive white water kayaking and interval training was a part and parcel of my life. Waking up at 5:30am in (European) winter was not much fun; but I was very dedicated to my dream of getting into the national team. My super expensive hi-tech sport watch were supposed to be able to handle all varieties of intervals but to my dismay, it was more of a pain than anything else to uselessly fiddle with the watch only to find out that I cannot set up the pyramid intervals or even intervals requiring various length of work/rest ratio. At that time, I could have only dreamt of something like CrossTimer App that helps you to create any workouts/intervals you need, time it, log it, save to history so you can keep track of you progress. I do not compete on kayak anymore, but my passion for sport of any kind is a lifelong, I am a keen CrossFitter who trains (almost) alone – with the CrossTimer App as my training buddy.