10 Minutes HIIT Cardio Workout is one of many fitness app, with purpose to improve physical fitness. HIIT is abbreviation from high intensity interval training. In this app, users will presented with 4 menu button in menu interface. That is, What is HIIT, Tutorial, Workout, and Training Zone. To use this 10 minutes HIIT cardio Workout app, below explanation about how to use this app. Instructions. You can workout by following workout that shown in this app. When your ready to workout, just