Intervals Pro: HIIT Timer
Intervals Pro: HIIT Timer
Download on App Store

This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.

Logo of Intervals Pro: HIIT Timer
Download on App Store

Intervals Pro: HIIT Timer

The ultimate custom interval tool for serious athletes. Build your own routines, track heart rate zones, and sync with Apple Health. Experience the freedom of standalone Apple Watch workouts and take your training to the next level—no phone required.

Key Figures

Downloads

898K+

User Rating

4.8/5

Total Ratings

13K+

Publisher

Intervals, LLC

Category

Health & Fitness

Locales

11

Latest Version

2026.2

Size

63.4 MB

First Released

Feb 18, 2015
Features

Engineered for Your Toughest Workouts

Whether you're training for a marathon or a high-intensity circuit, Intervals Pro provides the precision, customization, and data-driven insights you need to reach peak performance.

Phone-Free Performance

Leave your iPhone at home. Experience a fully standalone Apple Watch app with haptic alerts, heart rate tracking, and distance goals right on your wrist.

Pro-Level Customization

Build your own routines with precision. Set custom voice prompts, target heart rate zones, and flexible intervals based on either time or distance.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

Intervals Pro: HIIT Timer - Promotional screen for Intervals Pro highlighting custom HIIT workouts and Apple Health integration.

Promotional screen for Intervals Pro highlighting custom HIIT workouts and Apple Health integration.

Intervals Pro: HIIT Timer - Intervals Pro app screens on Apple Watch and iPhone showing HIIT workout tracking and metrics

Intervals Pro app screens on Apple Watch and iPhone showing HIIT workout tracking and metrics

Intervals Pro: HIIT Timer - Intervals Pro app screen displaying social media sharing features for workout summaries including total time, calories burned, and GPS running maps.

Intervals Pro app screen displaying social media sharing features for workout summaries including total time, calories burned, and GPS running maps.

Intervals Pro: HIIT Timer - Intervals Pro app interface showing various HIIT timer options and workout templates

Intervals Pro app interface showing various HIIT timer options and workout templates

Intervals Pro: HIIT Timer - List of workout templates in the Intervals Pro app including Tabata and HIIT routines.

List of workout templates in the Intervals Pro app including Tabata and HIIT routines.

Intervals Pro: HIIT Timer - Customizing a HIIT workout routine in Intervals Pro app

Customizing a HIIT workout routine in Intervals Pro app

Intervals Pro: HIIT Timer - A detailed fitness summary in Intervals Pro showing calories distance heart rate and a map route

A detailed fitness summary in Intervals Pro showing calories distance heart rate and a map route

Intervals Pro: HIIT Timer - Detailed workout analysis screen displaying heart rate pace and calories for each interval

Detailed workout analysis screen displaying heart rate pace and calories for each interval

Intervals Pro: HIIT Timer - List of scheduled 5K training timers in the Intervals Pro app.

List of scheduled 5K training timers in the Intervals Pro app.

Intervals Pro: HIIT Timer - Intervals Pro app showing Apple Watch remote on iPhone with running stats

Intervals Pro app showing Apple Watch remote on iPhone with running stats

Description

Custom Interval Training at its best for iPhone, Apple Watch and iPad. Featured by Apple and recommended by fitness instructors, personal trainers, marathon runners, and coaches. Let Intervals Pro guide you through any type of interval workout: HIIT, running, strength training, yoga, stretching, circuit training, boxing, MMA, elliptical, rehabilitation, meditation, 7-minute workouts, and many more. FEATURED BY • Apple - App of the Day in 132 Countries • Apple - Workout with Apple Watch, Quick HIIT Workouts • Women's Health Magazine • COACH Magazine • SixColors.com HIGHLIGHTS • Highly Customizable • Home Screen Widgets to quickly launch timers • Spoken interval names and prompts • Customizable alert sounds • Standalone Apple Watch workouts. Leave your iPhone at home! • Workout History using Apple Health data • View an Apple Watch workout live on your iPhone! • Run in the background with the screen locked • Play music or podcasts using the app of your choice • Bluetooth heart rate monitor support for Apple Watch or iPhone • Fill your Activity Rings • Siri Shortcuts • Share timers with friends • Time and Distance Goals • Running Pace and Heart Rate Targets • Auto pause and resume • Send completed workouts to Strava • Confetti! PERSONALIZE YOUR WORKOUT • Customize the Name, Duration, Alert, and Color for each interval • Customize Alert Sounds and Voice Prompts to guide you through your workout • Set a Countdown Alert and vibrations when the interval is about to end • Optional halfway alert • Set target heart rate ranges for each interval • Set time and distance goals FLEXIBLE INTERVAL DURATIONS • Time based (e.g., 45 seconds) • Distance-based (e.g., 0.5 MI or KM) • Count up intervals keep running until your ready for the next interval • Estimated time or distance. Count down time or distance to zero and then continue the interval, counting up until you're ready to move on. THE BEST APPLE WATCH INTERVAL TIMER • Leave your phone at home with our standalone Apple Watch app • Control your music or podcasts on the "Now Playing" screen • View an Apple Watch workout live on your iPhone • Alert Sounds and Voice Prompts to guide you through your workout • Configurable haptic alert countdown that taps you on the wrist when the interval is ending • Track heart rate, calories, distance, and pace • Route tracking for running, walking, and cycling • Workouts contribute to the Apple Watch Activity Rings WORKOUT HISTORY USING APPLE HEALTH • Intervals Pro has the best Apple Health integration of any interval training app • Track heart rate, calories, distance, and pace • Route tracking for running, walking, and cycling • Detailed stats for every interval • All your data is safely stored in Apple Health GREAT FOR RUNNING AND CYCLING • Interval duration can be set to either a specified time or distance • Display current pace, pace for the interval, or pace for the entire run • Configure heart rate ranges per interval • Analyze each interval of your run in the workout history MULTIPLE VOICES AND LANGUAGES • Select the language and voice to use for all spoken alerts. • Spoken alerts are localized to 10 languages. Chinese (simplified), Danish, Dutch, French, German, Italian, Norwegian, Polish, Spanish, and Swedish. Get Intervals Pro today, and your workouts will never be the same! SUBSCRIPTION INFO Intervals Pro is free to download and has a free timer. To create multiple timers and unlock all the features of the app, you may choose between a monthly or yearly auto-renewing subscription option. Upon confirmation of the purchase, payment will be charged to your credit card through your iTunes account. Subscription renews automatically unless canceled at least 24 hours before the end of the subscription period. Subscriptions can be managed and auto-renewal turned off in Account Settings in the App Store app. Privacy Policy and Terms of Service: https://intervalspro.com/privacy-policy.html

Download

Download on App Store

This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.