Comparison

Intervals Pro vs Interval Timer

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

This app provides a precise interval timer for high-intensity interval training (HIIT), Tabata, and circuit workouts. It features customizable intervals, smart audio cues, and a clear countdown display to keep users focused during intense training sessions.

Highlights
  • Customizable work and rest intervals
  • Built-in Tabata and HIIT presets
  • Smart audio and haptic feedback
  • Large countdown display
  • Workout history and statistics
  • Adjustable rounds and sets
Features
Read full description

Interval Timer — HIIT & Tabata Workout Timer Transform your training with the ultimate Interval Timer for HIIT, Tabata, and circuit workouts. Whether you're crushing a 4-minute Tabata session or powering through multi-set circuits, this precision timer keeps you focused and on track. Large countdown display, smart audio cues, and customizable intervals — everything you need for intense training sessions. BUILT-IN PRESETS • Tabata — Classic 20s work / 10s rest, 8 rounds • HIIT 30/30 — Balanced 30s intervals, 10 rounds CUSTOM WORKOUTS Create unlimited workout templates tailored to your training: • Work intervals: 5–300 seconds • Rest intervals: 5–300 seconds • Rounds: 1–50 • Sets: 1–10 with configurable set breaks • Optional preparation and cooldown phases SMART FEEDBACK • Sound alerts — Different tones for work vs. rest • Haptic feedback — Feel interval changes without looking • Countdown beeps — 3-2-1 audio cues before transitions • Fully customizable — toggle each notification type independently TIMER FEATURES • Large, readable countdown with circular progress indicator • Play/Pause control for mid-workout breaks • Skip forward/backward to adjust on the fly • Keep screen on during workouts • Real-time round and set tracking TRACK YOUR PROGRESS • Complete workout history • Session statistics — completed vs. abandoned workouts • Total training time tracking • Filter by week, month, year, or all time PERFECT FOR • HIIT training • Tabata protocols • Circuit timer sessions • Boxing/MMA rounds • CrossFit WODs • Bodyweight circuits • Strength training supersets Simple. Powerful. Distraction-free. A professional-grade Interval Timer built for athletes who demand precision.

Screenshots

Intervals Pro4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Interval Timer at none against Intervals Pro's 8. Interval Timer also leads on rating (5.0 vs 4.8). Intervals Pro's advantage is ratings volume (14K vs 1) and update cadence (every 8 days vs every 2 weeks). On price, ads, device support and iOS requirement 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. Interval Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Interval Timer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Intervals Pro has 14K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Intervals Pro ships an update every 8 days, Interval Timer every 2 weeks. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
Intervals Pro versus Interval Timer: the parameters behind the verdict, then further details
ParameterIntervals ProInterval Timer
PriceFreeFree
Rating4.8 (14K ratings)5.0 (1 ratings) — better
Positive reviews84.4% of reviews—
Number of ratings14K — better1
Update frequencyEvery 8 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.5 — better17.6
Further details — not scored
Size69 MB2 MB
Age rating4+4+
DeveloperIntervals, LLCDanila Dundukov

Customer experience

Intervals Pro

All ratings13,612 ratings
Positive95.1%
Neutral1.7%
Negative3.2%
Written reviews1,072 reviews
Positive84.4%
Neutral4.9%
Negative10.7%

Interval Timer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

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

Interval Timer

No in-app purchases

Questions

Is Intervals Pro free?
Intervals Pro is free to download, with in-app purchases available.
Is Interval Timer free?
Interval Timer is free to download, with no in-app purchases.
Which has better reviews, Intervals Pro or Interval Timer?
Interval Timer is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while Interval Timer averages 5.0 from 1 ratings.
Do Intervals Pro or Interval Timer have ads?
Neither Intervals Pro nor Interval Timer shows ads.
Which is updated more often, Intervals Pro or Interval Timer?
Intervals Pro ships an update every 8 days, and Interval Timer every 2 weeks. Most recently, Intervals Pro was updated on October 3, 2026 and Interval Timer on September 29, 2026.

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