OpenHIIT is described as 'Enhance your daily routines with OpenHIIT, the versatile open-source interval timer app. Tailored for various activities, including but not limited to High-Intensity Interval Training (HIIT), OpenHIIT is a dynamic tool designed to optimize your tasks and foster a collaborative' and is an app in the office & productivity category. There are more than 10 alternatives to OpenHIIT for a variety of platforms, including iPhone, iPad, Android, Android Tablet and Linux apps. The best OpenHIIT alternative is Custom Workouts, which is free. Other great apps like OpenHIIT are Lapz, CountReps, TimerLabs and Exercise Timer.