Challenger Outdoor PRO

Keep your performances private

Cycling power sensor less! Install today for free the most advanced app for cyclists and runners! Daily used by pros!
Challenger is a GPS based app that will turn your handle bar into a very advanced dashboard! You will visualize your speed, altitude, distance, duration, slope, calories burned, CYCLING POWER and, if you have Bluetooth sensors, also percentage heart rate and cadence!
You can challenge yourself or other users!
And if you are a runner you can also challenge the virtual users we have created for you!

Share your performances on Facebook, Twitter and Instagram!