ProTimer is a professional yet easy to use Workout Interval Timer by Sixpackfactory.com
ProTimer is perfect to use with any type of interval workouts such as cardio workout, weight training workouts, kettle bells, tabata workouts or home workouts.
Although this is a free app it was designed to have all the featured you will need to get the best from your workouts. Not only is it fast and easy to set up but it includes all these professional features:
Presets of the most popular Interval Protocols such is Tabata, Beginner HIIT, Viking Warrior etc
3 Programmable Timers
Customization of every aspect of the timer
Interval times up to 59.99min
Up to 99 intervals
Speaking couch that tells you exactly what to do and when to do it
Countdown Timer before the workout so that you can get ready
Easy to hear alerts for all aspects of the timer
Pause and Resume sessions
Mute sound button
Easy setup