The absolute best

This app has great variety in workouts, the ability to beat sync your music and use it in the background, and various fitness levels so youre not stuck at the same pace all the time. Im sure theres a ton of other benefits and features I cant think of right now, but I can say without a doubt, I use this app a lot.
If you have a stationary bike that shows you your speed and resistance, then get this app!!

bv1010 about BeatBurn Indoor Cycling Trainer - Low Impact Cross Training for Runners and Weight Loss