Fully convinced – 4 Minute Burpee Challenge - Get Fit in 90 Days of Intensive Tabata Interval Training Review

I don't remember other app that made me feel this grade of commitment. These have been 90 days doing this "yes or yes" and with great results. The app is just as basic as it is needed, so there is no problem using it. Keep it the same way!!! Thnx!
Review by Mastrionsbxhda on 4 Minute Burpee Challenge - Get Fit in 90 Days of Intensive Tabata Interval Training.