Sprint Intervals vs Sprint Training

Sprint Intervals is a precision interval timer built for athletes, coaches, and anyone who trains with purpose. Design complex interval sequences in seconds with our drag-and-drop timer builder — then let the app guide you through every rep, every set, every second. Stop settling for rigid, one-size-fits-all timers. Sprint Intervals lets you build exactly the workout you want — then guides you through it hands-free. CREATE YOUR PERFECT TIMER Drag, drop, and reorder interval blocks to design any routine. Assign custom categories like Work, Rest, or Cardio — each with its own color and icon. Use repeat groups to build complex sessions in seconds. Save your favorites and start them with one tap. HANDS-FREE VOICE COACHING Never look at your phone mid-set. Voice announcements call out every transition, set number, and interval name so you stay focused. Countdown beeps warn you before each switch. Mute everything instantly when you need silence. SEE YOUR PROGRESS Dive into session insights with interactive charts. View workout minutes by day, week, month, or year. Filter by category to see exactly where your time goes. Every session is saved with a full interval-by-interval breakdown. DESIGNED FOR YOUR WORKOUT • Dynamic progress ring with interval markers • Live Activity on Lock Screen and Dynamic Island • Floating timer bar so you never lose your place • Confetti celebration when you finish • Fully accessible with VoiceOver support

Sprint Trainer is a simple start-training companion designed for track and field athletes. Practice sprint starts without needing a coach or another person. Place your phone near the track, choose your start signal, and focus on running. Random Start Train your reaction time with unpredictable start delays. Get into position, wait for the signal, and react. Block Start Practice Practice the full sprint-start sequence: On your marks. Set. Start signal. Build more consistent and explosive starts on your own. Start Sounds Choose from a sharp beep, voice “Go,” starter gun, or vibration. Adjust the volume and test the signal before training. Built for the Track • No accounts • No social feeds • No GPS tracking • Works offline • Simple, focused training Complete five start sessions for free, then unlock unlimited Random Start and Block Start training with a one-time purchase. Just set up, react, and run.