Every now and then, Runtastic throws a bone to active and sporty people by discounting its Pro apps to zero. That's zilch. No pennies, no dimes, no dollars. It's happened with Sit Ups ProPedometer Pro, Road Bike Pro, and now is the time for Mountain Bike Pro.

For mountain bikers, Runtastic's app provides MTB tour tracking and thousands of bike routes, voice coaching so you don't have to get your eyes off the road and risk an injury, live tracking, offline maps for those out-of-reach areas, music controls, and plenty of stats and graphs to satisfy your inner nerd or your thirst for improvement.

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