Simple Exercise Timer is an intuitive, accurate, and reliable timer for working out and staying fit. Great for High-Intensity Interval Training (HIIT), Tabata, and many other forms of athletic training. The app allows for up to four different exercise states: Preparation, Work, Rest, and Cooldown.Features:• Runs In The Background• Easy to Use• Aesthetic Progress Bars• Audio and Vibration Alerts (optional)• Pause/Resume• Save/Load Configurations• Notification Icon and Buttons• Screen LockRuns In The BackgroundThe timer will run in the background and can play audio or vibration alerts, even when the phone is locked! This lets you use your device for other things while exercising or lets you keep it stored safely in your pocket.Easy to UseAn intuitive user interface lets you get up and going instantly. No messing around in pages and pages of settings.Aesthetic Progress BarsA simple visual design allows you to determine your progress at a glance, both within the current set and within the whole exercise.Audio and Vibration AlertsAudio and Vibration alerts let you know when to transition between preparing, working, resting, or cooldown so you dont have to watch your device. Alerts can be toggled on or off separately.Pause/ResumePause and resume the timer at will.Save/Load ConfigurationsSave and load any number of workout configurations. The app comes with the standard Tabata configuration preloaded (8 sets of alternating 20 seconds of work and 10 seconds of rest). It also comes with a configuration for stretching.Notification Icon and ButtonsPause, resume, or stop the timer from the notification bar, no need to open the app!Screen LockOptionally lock the screen so the device does not idle.