Download the IntensityX3 Fitness & Kickboxing App today to plan and schedule your classes. From this mobile App you can view class schedules, sign-up for classes, view ongoing promotions, access the IntensityX3 Fitness & Nutrition manual as well as view the studio’s location and contact information. You can also click through to our social pages. Optimize your time and maximize the convenience of signing up for classes from your device. Download this App today!