Simple, configurable, free, and reliable. Intervals is the most advanced interval workout timer for iPhone, iPad, and Apple Watch. Take interval training to the next level. WHAT SETS INTERVALS APART? Apple Watch - The most advanced Interval timer for the Apple Watch. Highly Customizable. Standalone Apple Watch workouts. Leave your iPhone at home. Save workouts, heart rate, calories, distance and pace to Apple Health. Spoken interval names, voice prompts, and customizable alert sounds. Run in the background with the screen locked. Play music or podcasts during your workout using the app of your choice. Preconfigured templates for HIIT, Tabata, 7 Minute Workouts and more. Bluetooth heart rate monitor support for Apple Watch or iPhone. Fill your Activity Rings. Workout History. Backup your timers to iCloud. Siri and 3D touch. Share timers with friends. Confetti. OVERVIEW. Intervals is an easy to use and modern iOS 10 and watchOS 3 interval timer for HIIT, Tabata and all interval workouts. You'll love using this carefully crafted app to guide you through any type of interval workout, including running, cycling, strength training, yoga, stretching, circuit training, boxing, MMA, elliptical, 7 minute workouts and many more. Intervals is also used by thousands as a rehab timer, meditation timer, Pomodoro timer, music practice timer or for other non-fitness uses. PERSONALIZE YOUR WORKOUT. Customize the Name, Duration, Alert and Color for each interval in your timer. Customize Alert Sounds and Voice Prompts to guide your through your workout. Set a Countdown Alert when the interval is about to end. Set Warm Up and Cool Down intervals. Set the number of times to repeat the interval workout. Optional vibrations at the end of an interval. Set target heart rate ranges for each interval. THE BEST APPLE WATCH INTERVAL TIMER. Intervals on the Apple Watch takes advantage of all the new fitness app capabilities in watchOS 3: Leave your phone at home and workout with Intervals on the Apple Watch. Or workout with your phone and watch and get the best of both. 5 second haptic alert countdown that taps you on the wrist when the interval is ending. Track heart rate, calories and distance, and pace. Pair an external heart rate monitor to your Apple Watch for use in Intervals. Workouts contribute to the Apple Watch Activity Rings. Workouts are saved to the Apple Activity and Health Apps. Also view past workouts directly in Intervals. Get Intervals today and your workouts will never be the same.