0-20 Pullups Back Trainer
20-pullups
About App
◎ Join the millions completing the Zen Challenge Series!
◎ 0 to 20 Pull-ups in 6 weeks!
◎ Featured on Glamour Magazine, Yahoo!’s Appolicious, Popsugar Fitness, Apple’s “What’s Hot”, Apple’s “New & Noteworthy”, and doctor recommended on healthTap!
Developer info