Cardio is boring. High-Intensity Interval Training (HIIT) is proven to burn up to 9 times as much bodyfat than regular cardio. Interval Trainer is the perfect HIIT companion: it comes with a set of pre-defined workouts all using standard warm up, co
| Category | Health |
| Requirements | All Platforms |
| License | Free |
| Offered By | N/A |
