Intervals Pro: HIIT Timer
Intervals Pro: HIIT Timer Summary
Intervals Pro: HIIT Timer is a with in-app purchases iOS app in Health And Fitness by Intervals, LLC. Released in Feb 2015 (11 years ago). It has 16.1K ratings with a 4.77★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 65.3K monthly active users and generates around $>100K monthly revenue (100% IAP / 0% ads). Store metadata: updated Jan 15, 2026, version 9844.
Recent activity: 87 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Oct 11, 2025.
Store info: Last updated on App Store on Jan 15, 2026 (version 9844).
Intervals Pro: HIIT Timer was last scanned for SDKs 2025-10-11. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Firebase
Google
nanopb
RevenueCat4.77★
Ratings: 16.1K
Screenshots
App 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