Cardio, HIIT & Aerobic Workouts by Fitify provides you with free workouts & exercises to boost heart rate and burn fat.

HIIT is an abbreviation for high-intensity interval training. In this app, users will be presented with 4 menu buttons in the menu interface.

HIIT training has been shown to improve: aerobic and anaerobic fitness. ... HIITworkouts provide similar fitness benefits as continuous endurance workouts but in shorter periods of time. This is because HIIT workouts tend to burn more calories than traditional workouts, especially after the workout.

HIIT can be a great option for staying in shape when time is an issue, as you can get an amazing fat-burning workout in 20 minutes or less. The true benefits of HIIT come from its effects post-workout. HIIT has been shown to elevate the metabolism for hours after your workout, essentially turning you into a fat-burning machine if done correctly and with adequate intensity.