Very good app
If you want a app that you can modify the exercises for HITT this is for you as I have tired many apps and this is the best I have used so far
Not enough ratings yet to assess HIIT Workouts Challenge.
HIIT Workouts Challenge appears to be a legitimate app. AppsHunter Legitimacy Score for HIIT Workouts Challenge is 80/100.
Based on 80 of 100 points across 7 verification signals from App Store and developer data.