HIIT Interval Buddy - Let Interval Buddy help you with your high intensity interval training - a popular method of high-impact cardio fitness training that reduces time spent in the gym and makes cardio training less of a bore.
Cardiograph - Cardiograph is an application offered by MarcoPinch that helps you to measure your heart rate accurately.
Norwegian 4x4 Protocol - Download the Norwegian 4x4 App for scientifically-proven HIIT workouts. Transform your fitness with structured interval training. Available on iOS and Android.
Stopwatch Run Tracker - Stopwatch Run Tracker is an app that tracks the timing of your daily activities like running, jogging, yoga, gym, and sports.
Love HIIT - Free exercise timer, share your workouts
RunMotion Coach Running - RunMotion Coach Running is an app that works as a fitness trainer and creates different training plans for you and motivates you to complete them on time.