Comparison

Intervals Pro vs Interval Timer Plus

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

Interval Timer Plus

This versatile timer app offers a simple yet powerful way to manage timed activities. Customize multiple intervals with individual colors and sounds, and save them as presets for quick access. It's designed for ease of use and visibility, even from a distance, and works seamlessly in the background.

Highlights
  • Customizable intervals
  • Named intervals with voice readout
  • Individual colors and sounds
  • Count time or repetitions
  • Unlimited presets
  • Works in background
  • Full screen color coding
Features
Read full description

Free, simple and easy to use all purpose Interval Timer SIMPLE AND FREE INTERVAL TIMER + 1-Tap Quickstart + No signup required, download and get going immediately GLANCEABLE + Very Big Fonts, visible from everywhere + Full screen color coding, works like a traffic light right in front of you + Portrait or landscape, always uses the full screen space POWERFUL ADVANCED PRESETS + Multiple intervals, each individually customizable + Name your intervals and have Interval Timer read it out to you + Individual colors and sounds + Count time or repetitions + Unlimited amount of presets ACCESSIBLE + Works with locked screen or while in another app + Reads out the interval name, so you know exactly what’s on + Vibration or silent mode, for the times when you need to tune it down + Works great with headphones and your own music + Supports dark and light mode REPEAT YOUR ROUTINE + Prepare and save your settings in presets + Pick your presets and start with just 1-tap OPTIMIZE ALL OF YOUR ACTIVITIES + Tabata timer + HIIT training + Crossfit + Circuit training + Fitness routines + Home workouts + Boxing round timer + Calisthenics circuit timer

Screenshots

Intervals Pro4 screens
Interval Timer Plus4 screens

Verdict

The call

The clearest difference is update cadence: Intervals Pro at every 8 days against Interval Timer Plus's every 2 months. Interval Timer Plus's advantage is review sentiment (95% vs 84%) and iOS requirement (15.0 vs 17.5). On price, rating, ratings volume and ads 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 and Interval Timer Plus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Intervals Pro against 4.9 for Interval Timer Plus. Both are backed by a comparable volume of ratings — 14K and 6.2K respectively. Written reviews are what separate them: 84% of Intervals Pro's written reviews are positive against 95% of Interval Timer Plus's.

UpkeepUpdate frequency

Intervals Pro ships an update every 8 days, Interval Timer Plus every 2 months. Both last shipped on October 9, 2026.

Scorecard3 real differences · 7 level
Intervals Pro versus Interval Timer Plus: the parameters behind the verdict, then further details
ParameterIntervals ProInterval Timer Plus
PriceFreeFree
Rating4.8 (14K ratings)4.9 (6.2K ratings) — better
Positive reviews84.4% of reviews95.1% of reviews — better
Number of ratings14K — better6.2K
Update frequencyEvery 8 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.515.0 — better
Further details — not scored
Size69 MB24 MB
Age rating4+4+
DeveloperIntervals, LLCSu-Au Hwang

Customer experience

Intervals Pro

All ratings13,612 ratings
Positive95.1%
Neutral1.7%
Negative3.2%
Written reviews1,081 reviews
Positive84.4%
Neutral4.9%
Negative10.7%

Interval Timer Plus

All ratings6,181 ratings
Positive97.5%
Neutral1.1%
Negative1.4%
Written reviews667 reviews
Positive95.1%
Neutral2.2%
Negative2.7%

User reviews

Intervals Pro

From 14K App Store ratings

What we love

  • 👍 Customizable timers and intervals
  • 🚀 Seamless Apple Watch integration
  • 💪 Helps with fitness goals and training
  • 🔍 Detailed workout tracking and analytics
  • 🎨 Intuitive and user-friendly interface

Room to improve

  • 🐛 Occasional sync and connectivity issues
  • 🔍 Lack of clear guidance and documentation
  • 💰 Paid version required for full functionality

Interval Timer Plus

From 6.2K App Store ratings

What we love

  • 🚀 Simple and effective
  • 🚀 Customizable and streamlined
  • 👍 Easy to configure and edit
  • 👍 Convenient for workouts and circuits
  • 👍 Minimal ads and no purchases required

Room to improve

  • 🐛 Occasional issues with audio playback in the background
  • 💡 Desire for more color customization options

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

Interval Timer Plus

Reported bugs

1 issue
  • Audio alerts not working when app is in the background

Requested features

2 requests
  • Support for Apple Watch integration
  • Ability to delete saved workouts

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
1 purchases

Interval Timer Plus

One-time1
  • Remove Ads$2.99

Questions

Is Intervals Pro free?
Intervals Pro is free to download, with in-app purchases available.
Is Interval Timer Plus free?
Interval Timer Plus is free to download, with in-app purchases available.
Which has better reviews, Intervals Pro or Interval Timer Plus?
Interval Timer Plus is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while Interval Timer Plus averages 4.9 from 6.2K ratings.
Do Intervals Pro or Interval Timer Plus have ads?
Neither Intervals Pro nor Interval Timer Plus shows ads.
Which is updated more often, Intervals Pro or Interval Timer Plus?
Intervals Pro ships an update every 8 days, and Interval Timer Plus every 2 months. Most recently, Intervals Pro was updated on October 9, 2026 and Interval Timer Plus on October 9, 2026.

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