Set Starter Interval Timer 2.0 As featured on The TODAY Show, SHAPE Magazine, livestrong.com, hellawella.com and 30+ other media outlets. Do you currently use your cell phone or stop watch to time your interval training? Do you listen to music while interval training? Does your workout routine have timing intensive requirements like Tabata, CrossFit, track 30/30 or Run/Walk? If you answered "YES" to any of these questions, then Set Starter is the interval timer for you.