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Intervals Pro: HIIT Timer icon

Intervals Pro: HIIT Timer

Running & Fitness Workouts
US flag US
1 of 1 storefronts
Content in en-US
13.4k Ratings
4.8
★★★★★
Age Rating
4+
Years
Language
EN
+10 More
Size
67.9
MB

Information

Apple ID957586938
Bundle IDcom.fourthframe.Intervals
SellerSeller
Min iOS17.5
Min macOS14.5
Device familieswatch, iphone, ipad
Released2015-02-18
Copyright© 2026 Intervals Pro, LLC
WebsiteLink ↗
Privacy policyLink ↗

Preview 3 platforms

iPhone 10 images

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iPad 6 images

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Apple Watch 8 images

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What’s New Version 2026.5

The Logbook is easier to browse with a month picker, and completed workout stats are easier to share.

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

Capabilities

In-App Purchases

Accessibility

ipadiphonemacrealityDevicetvoswatch

Version history 25 versions

Build 886934032v2026.52026-06-15 02:11:13
The Logbook is easier to browse with a month picker, and completed workout stats are easier to share.
Build 886150903v2026.4.12026-05-26 20:20:41
Fixed an issue where some timers could remain on screen after completion, even though the workout was saved. Improved permission checking during timer setup.
Build 886079038v2026.42026-05-25 01:30:39
Sharing timers is easier with iCloud Share Links and improved file sharing, and we have given you more control when Apple Health is not desired or hasn’t been set up yet.
Build 885790647v2026.3.32026-05-18 18:04:04
Fix to ensure Apple Health permissions are not required when Fitness Tracking is disabled.
Build 885671333v2026.3.22026-05-14 21:14:20
Bug fixes and changes to improve workout tracking.
Build 882835362v2026.32026-05-12 11:25:38
• iPhone Workout Tracking: iPhone workouts now use iOS 26 Apple Health workout tracking capabilities to improve tracking of metrics like active calories and distance. • Heart Rate on iPhone: Track heart rate with AirPods Pro 3, Powerbeats Pro 3, or Bluetooth heart rate monitors that support the standard GATT heart rate profile (iOS 26 required). • Workout Summary: After saving a workout to Apple Health, Intervals now opens the Logbook summary automatically so you can review your results right away. • Shortcuts Support: Use Shortcuts to start timers, pause or resume workouts, and end running timers. • Workout Countdown: There's a new 3-second countdown before the timer starts to give you time to get ready and allow Apple Health workout tracking time to warm up.
Build 885590850v2026.3.12026-05-12 23:06:59
Fix for starting the workout when the Apple Health Session Type is set to None.
Build 881471930v2026.22026-01-15 23:51:32
• Quickly Mute Alert Sounds: You can now quickly mute alert sounds during your workout from both iPhone and Apple Watch. • Apple Watch Settings: Many timer settings are now available directly on Apple Watch.
Build 879744633v2025.6.22025-11-13 20:52:57
Added back support for users running iOS 16. Other updates include: • Timer Editing: Intervals with a zero duration will now display as 'Disabled' for clarity. • Apple Watch: If any Alert Sound is set to 'Silence', the Apple Watch haptic will now always still tap your wrist. • Fixes and improvements: Includes improved display of long interval names.
Build 879713979v2025.6.12025-11-12 23:48:07
• Timer Editing: Intervals with a zero duration will now display as 'Disabled' for clarity. • Apple Watch: If any Alert Sound is set to 'Silence', the Apple Watch haptic will now always still tap your wrist. • Fixes and improvements: Includes improved display of long interval names.
Build 879466562v2025.62025-11-04 18:55:44
Now you can configure your Apple Watch screens to show both the upcoming interval’s name and its duration, so you’re always prepared for what’s next. Also includes other fixes and under-the-hood improvements.
Build 878674727v2025.52025-10-07 00:02:38
Additional updates to support the new OS versions on all platforms. Also, other fixes and improvements, including a new Lifetime purchase option.
Build 878173204v2025.4.12025-09-17 15:23:16
• Fix for “Next Interval” button not showing for long interval names • iOS 26 Support & More: Updates to support the new OS versions on all platforms, bug fixes, and under-the-hood improvements.
Build 878075246v2025.42025-09-14 19:09:45
iOS 26 Support & More: Updates to support the new OS versions on all platforms, bug fixes, and under-the-hood improvements.
Build 876998730v2025.32025-08-06 22:43:57
New workout template for Japanese Intervals Walking. This fitness trend, developed by Japanese researchers, alternates between normal and brisk walking intervals to improve cardiovascular fitness and overall health.
Build 874554004v2025.22025-05-06 19:40:23
Improved Heart Rate Monitor Support: It's now easier and more reliable to connect your Bluetooth Heart Rate Monitors.
Build 872303593v2025.12025-02-07 13:02:11
Apple Watch Improvement: You can now end a watch timer without first pausing the workout.
Build 870637977v2024.62024-11-24 13:46:05
Apple Watch Improvements: • When you tap the End button on your watch, you’ll be prompted to confirm ending the timer, restarting it, or skipping the cool-down interval. • We’ve re-enabled automatic scrolling to the currently selected timer on the watch. The Auto Scroll switch at the top of the main folder list controls this behavior.
Build 870152299v2024.5.12024-11-02 18:01:38
Fixes an issue with selecting a new timer in a folder on the watch.
Build 870109030v2024.52024-10-31 23:19:11
• Workout Notes: Add notes to your completed Apple Health Workouts. • Improvements & Bug fixes: Includes a fix to ensure preference changes are persisted after restarting the app.
Build 867907476v2024.4.12024-08-01 15:49:22
Includes improvements for syncing timers to the watch.
Build 866274581v2024.32024-05-28 16:09:13
• Workout Charts: New workout charts for heart rate, pace, cadence, and elevation are now available in the Logbook! • Bug Fixes: Includes a fix that occasionaly prevents being able to see the details for all your intervals in the Logbook.
Build 862577817v2024.1.22024-01-01 10:24:31
Additional fixes to squash a few rare bugs.
Build 862539338v2024.1.12023-12-28 20:10:12
Several fixes and improvements, including fixes for a few rare crashes.
Build 862510033v2024.12023-12-27 14:24:38
Improved support for recovering Apple Health workouts on the watch if the workout did not end normally (e.g. low battery or crash).

No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.

Availability 1 of 1 storefronts

RegionLanguagePriceRatingsAvgVersion
US en-USFree13.4k4.82026.5

Change log 29 changes · US

releaseNotes updated
The Logbook is easier to browse with a month picker, and completed workout stats are easier to share.
description updated
Custom Interval Training at its best for iPhone, Apple Watch and iPad. Featured by Apple and recommended by fitness instructors, personal trainers, marathon run
subtitle updated
Running & Fitness Workouts
name updated
Intervals Pro: HIIT Timer
Version 2026.5 released
The Logbook is easier to browse with a month picker, and completed workout stats are easier to share.
Version 2026.4.1 released
Fixed an issue where some timers could remain on screen after completion, even though the workout was saved. Improved permission checking during timer setup.
Version 2026.4 released
Sharing timers is easier with iCloud Share Links and improved file sharing, and we have given you more control when Apple Health is not desired or hasn’t been set up yet.
Version 2026.3.3 released
Fix to ensure Apple Health permissions are not required when Fitness Tracking is disabled.
Version 2026.3.2 released
Bug fixes and changes to improve workout tracking.
Version 2026.3.1 released
Fix for starting the workout when the Apple Health Session Type is set to None.
Version 2026.3 released
• iPhone Workout Tracking: iPhone workouts now use iOS 26 Apple Health workout tracking capabilities to improve tracking of metrics like active calories and distance. • Heart Rate on iPhone: Track heart rate with AirPods Pro 3, Powerbeats P
Version 2026.2 released
• Quickly Mute Alert Sounds: You can now quickly mute alert sounds during your workout from both iPhone and Apple Watch. • Apple Watch Settings: Many timer settings are now available directly on Apple Watch.
Version 2025.6.2 released
Added back support for users running iOS 16. Other updates include: • Timer Editing: Intervals with a zero duration will now display as 'Disabled' for clarity. • Apple Watch: If any Alert Sound is set to 'Silence', the Apple Watch haptic wi
Version 2025.6.1 released
• Timer Editing: Intervals with a zero duration will now display as 'Disabled' for clarity. • Apple Watch: If any Alert Sound is set to 'Silence', the Apple Watch haptic will now always still tap your wrist. • Fixes and improvements: Includ
Version 2025.6 released
Now you can configure your Apple Watch screens to show both the upcoming interval’s name and its duration, so you’re always prepared for what’s next. Also includes other fixes and under-the-hood improvements.
Version 2025.5 released
Additional updates to support the new OS versions on all platforms. Also, other fixes and improvements, including a new Lifetime purchase option.
Version 2025.4.1 released
• Fix for “Next Interval” button not showing for long interval names • iOS 26 Support & More: Updates to support the new OS versions on all platforms, bug fixes, and under-the-hood improvements.
Version 2025.4 released
iOS 26 Support & More: Updates to support the new OS versions on all platforms, bug fixes, and under-the-hood improvements.
Version 2025.3 released
New workout template for Japanese Intervals Walking. This fitness trend, developed by Japanese researchers, alternates between normal and brisk walking intervals to improve cardiovascular fitness and overall health.
Version 2025.2 released
Improved Heart Rate Monitor Support: It's now easier and more reliable to connect your Bluetooth Heart Rate Monitors.
Version 2025.1 released
Apple Watch Improvement: You can now end a watch timer without first pausing the workout.
Version 2024.6 released
Apple Watch Improvements: • When you tap the End button on your watch, you’ll be prompted to confirm ending the timer, restarting it, or skipping the cool-down interval. • We’ve re-enabled automatic scrolling to the currently selected timer
Version 2024.5.1 released
Fixes an issue with selecting a new timer in a folder on the watch.
Version 2024.5 released
• Workout Notes: Add notes to your completed Apple Health Workouts. • Improvements & Bug fixes: Includes a fix to ensure preference changes are persisted after restarting the app.
Version 2024.4.1 released
Includes improvements for syncing timers to the watch.
Version 2024.3 released
• Workout Charts: New workout charts for heart rate, pace, cadence, and elevation are now available in the Logbook! • Bug Fixes: Includes a fix that occasionaly prevents being able to see the details for all your intervals in the Logbook.
Version 2024.1.2 released
Additional fixes to squash a few rare bugs.
Version 2024.1.1 released
Several fixes and improvements, including fixes for a few rare crashes.
Version 2024.1 released
Improved support for recovering Apple Health workouts on the watch if the workout did not end normally (e.g. low battery or crash).
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