Koi Tabata Timer is the easiest app for helping you track your tabata/hiit fitness routine. Koi Tabata has the following features:

○ Simple - Setup your workout settings in seconds.
○ Intuitive - The user interface is easy to use and provides the clearest indication of workout progress possible.
○ Background Mode - Get workout alerts while the app is backgrounded so you can continue training without the app open.
○ Save Your Workouts - Save multiple workouts so that you can easily reference your favorite training regiment later.
○ Customizable - Customize the colors for each stage to fit your own style
○ Sounds - Koi will alert you with audio cues when a round is about to start and when rounds change.
○ Portrait & Landscape Support - Supporting both portrait and landscape orientations means you can easily track your progress no matter which direction your device is facing.