Comparison

Intervals Pro vs Timer for HIIT training

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Intervals Pro

Create and follow custom interval training routines for various fitness activities. This app offers extensive customization for intervals, alerts, and goals, with seamless integration for Apple Watch and Apple Health.

Highlights
  • Highly customizable intervals (time/distance)
  • Spoken interval names and prompts
  • Standalone Apple Watch workouts
  • Workout history with Apple Health
  • Home screen widgets for quick launch
  • Bluetooth heart rate monitor support
  • Siri Shortcuts integration
Features
Read full 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

About

Timer for HIIT training

This interval training app helps you manage your workouts for various activities like cycling, running, weightlifting, and HIIT. It offers customizable timers for sets, repetitions, and pauses, with visual cues to guide your sessions.

Highlights
  • Customizable time settings
  • Customizable number of series
  • Customizable number of repetitions
  • Pause and resume sessions
  • Visual cue screen color changes
Features
Read full description

This app is an awesome training timer, whether you're working on cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIIT, this interval timer will prove to be an invaluable asset for your HIIT interval training. This app can be used as HIIT timer, tabata timer, round timer, and anything else about interval training you want to track. Tabata timer is a full featured, easy to use Tabata timer Crossfit HIIT Interval training, kettle bells, running, cycling, or any interval fitness training. FEATURES: * Customize all time settings * Customize number of series * Customize number of repetitions * pause and resume session * screen changecolor for visual cue

Screenshots

Intervals Pro4 screens
Timer for HIIT training4 screens

Verdict

The call

The clearest difference is in-app purchases: Timer for HIIT training at none against Intervals Pro's 8. Timer for HIIT training also leads on iOS requirement (14.0 vs 17.5). Intervals Pro's advantage is ads (none vs shown) and update cadence (every 8 days vs every 37 months). On price, rating and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Intervals Pro sells 8 in-app purchases, starting at $2.99 per month. Timer for HIIT training asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Intervals Pro against 4.7 for Timer for HIIT training. That said, the two scores are not equally well evidenced: Intervals Pro has 14K ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 84% of Intervals Pro's written reviews are positive against 67% of Timer for HIIT training's.

UpkeepUpdate frequency

Intervals Pro ships an update every 8 days, Timer for HIIT training every 37 months. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

Scorecard7 real differences · 3 level
Intervals Pro versus Timer for HIIT training: the parameters behind the verdict, then further details
ParameterIntervals ProTimer for HIIT training
PriceFreeFree
Rating4.8 (14K ratings) — better4.7 (10 ratings)
Positive reviews84.4% of reviews — better66.7% of reviews
Number of ratings14K — better10
Update frequencyEvery 8 days — betterEvery 37 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.514.0 — better
Further details — not scored
Size69 MB5 MB
Age rating4+4+
DeveloperIntervals, LLCSergio Musoles Tornador

Customer experience

Intervals Pro

All ratings13,612 ratings
Positive95.1%
Neutral1.7%
Negative3.2%
Written reviews1,071 reviews
Positive84.4%
Neutral4.9%
Negative10.7%

Timer for HIIT training

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and requests

Intervals Pro

Reported bugs

2 issues
  • Workout data not syncing correctly
  • App crashes or freezes on certain devices

Requested features

3 requests
  • More customization options for interval displays
  • Ability to batch delete or manage workout history
  • Integration with more third-party fitness apps

Timer for HIIT training

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Intervals Pro

Subscriptions2
  • Monthly Membership7 Days trial$2.991 Month
  • Yearly Membership7 Days trial$19.991 Year
One-time6
  • Generous Tip$0.99
  • Awesome Tip$1.99
  • Massive Tip$4.99
Show 3 more
  • Amazing Tip$9.99
  • Intervals Pro (Legacy)$69.99
  • Lifetime Access$69.99
None

Timer for HIIT training

No in-app purchases

Questions

Is Intervals Pro free?
Intervals Pro is free to download, with in-app purchases available.
Is Timer for HIIT training free?
Timer for HIIT training is free to download, with no in-app purchases.
Which has better reviews, Intervals Pro or Timer for HIIT training?
Intervals Pro is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while Timer for HIIT training averages 4.7 from 10 ratings.
Do Intervals Pro or Timer for HIIT training have ads?
Timer for HIIT training shows ads; Intervals Pro does not.
Which is updated more often, Intervals Pro or Timer for HIIT training?
Intervals Pro ships an update every 8 days, and Timer for HIIT training every 37 months. Most recently, Intervals Pro was updated on September 26, 2026 and Timer for HIIT training on June 1, 2026.

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