Comparison

Interval Timer 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

Interval Timer

Organize your running and high-intensity interval training sessions with ease. Quickly set up custom time intervals for running, walking, warm-ups, and cool-downs. Receive voice and vibration notifications for interval changes, and enjoy background music playback.

Highlights
  • Intuitive design
  • Customizable time intervals
  • Warm-up and cool-down timers
  • Voice and vibration notifications
  • Background music support
  • Foreground/background operation
Features
Read full description

Interval Run is a running interval timer for iPhone and Apple Watch. Create run/walk intervals, sprint sessions, and HIIT workouts in seconds. Train with voice announcements and haptic cues, control workouts from Apple Watch, save sessions to Apple Health, and track your workout history. Choose from 25+ ready-made running workouts or build your own. Follow intervals from the Lock Screen and Dynamic Island, and focus on your run. 25+ READY-MADE RUNNING WORKOUTS • Explore run/walk workouts, running intervals, sprints, hill repeats, tempo runs, fartlek sessions, ladders, pyramids, and more • Find workouts for speed, endurance, recovery, and different training goals • Start any workout immediately or customize it to match your training • Save your favorites to My Workouts for quick access BUILD YOUR OWN INTERVAL WORKOUT • Create simple run/walk intervals or advanced multi-step workouts • Add warm-up, running, walking, recovery, rest, and cool-down sections • Set a custom duration for every step • Repeat intervals and complete workout blocks • Add custom cues to guide you through each workout step • Build sprint, HIIT, cardio, and structured running sessions • Save multiple workouts and reuse them anytime • Preview the complete workout before you start VOICE & HAPTIC INTERVAL CUES • Hear clear voice announcements at every interval transition • Feel haptic cues when it’s time to run, walk, recover, or rest • Keep your workout active while your iPhone is locked or the app is in the background • Follow your current interval from the Lock Screen and Dynamic Island with Live Activities • Listen to music, podcasts, or audiobooks while you train RUN WITH APPLE WATCH • Sync workouts to Apple Watch • Start, pause, and control workouts directly from your wrist • Run phone-free with your workouts ready on Apple Watch • Follow interval progress without repeatedly checking your phone • Track heart rate, distance, and active energy during your workout • Get haptic interval cues directly on your Watch • Save completed workouts to Apple Health TRACK YOUR TRAINING • Browse completed workouts in calendar and history views • Review workout duration, intervals, distance, and active energy • Look back at your running and interval training over time • Share your workout results • Export and restore backups of your workout data MADE FOR RUNNERS WHO TRAIN WITH INTERVALS Whether you’re starting with beginner run/walk intervals, adding speed work to your weekly training, preparing for a 5K or another race, or creating a challenging HIIT session, Interval Run keeps every interval clear from start to finish. Use it as a simple run/walk timer, a running interval timer for speed training, an Apple Watch interval timer for phone-free workouts, or a flexible workout builder for more advanced structured sessions. From beginner run/walk workouts to sprints, tempo runs, hill repeats, fartlek training, and custom multi-step sessions, Interval Run adapts to the way you train. Start with one of 25+ ready-made workouts or create your own. Interval Run handles the timing so you can focus on your training. Some features shown, including the full workout library, advanced workout creation, multiple saved workouts, and full workout history, require Interval Run Pro. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Interval Timer

This app helps you create and manage custom interval training workouts. It offers various templates, customization options for intervals, and clear visual cues during exercise. Workouts can be saved, shared, and synced across devices.

Highlights
  • Custom interval workout creation
  • Ladder and pyramid templates
  • HealthKit integration
  • Apple Watch app for heart rate and calories
  • Workout sharing via email/AirDrop
  • Large font and contrasting colors
  • Customizable audio and visual cues
Features
Read full description

Use HIIT Builder as an interval timer to manage your High Intensity Interval Training to maximize your fitness. Create custom interval workouts from a basic HIIT template or use our ladder and pyramid templates to energize your personal training. All your workouts are stored on your device. There is no need to create an account. We don’t show ads. If you enable it, HIIT Builder will automatically log your workouts in HealthKit for review in Health App or Fitness App. Additionally, you can enable HIIT Builder's Apple Watch app to show your heart rate and calories burned during a workout. You can share interval workouts with friends and family via email and AirDrop. You can also download HIIT Builder interval workouts for free from our website. We add new interval workouts regularly. HIIT Builder is a great interval training app for home workouts or workouts at the park. You can create Tabata workouts or any HIIT workout of your choice. The ability to customize any interval workout to your needs allows you to take control of your fitness using HIIT Builder as an interval timer. HIIT Builder uses large fonts and contrasting colors to make it easy to see where you are in an exercise in your interval workout. You can customize how HIIT Builder tells you that an interval is coming to a close. The app can countdown to the end of an interval or it can ring bells. You can have the app speak the name of the next exercise. You can also have the app flash the screen when transitioning between interval exercises. Each interval workout can be completely customized. You can have each exercise interval be the same length or you can modify each interval’s length to get exactly what you need from the exercise. Create as many interval workouts as you want. Search through your personal workout library to choose which workout you want to do. When iCloud is enabled, you can create workouts on your iPad and see them show up in your iPhone’s HIIT Builder workout library. Download HIIT Builder and get a free, no obligation, trial of all features for two days. Thoughts, concerns, suggestions? We're always trying to improve. Please email us at info@hiitbuilderapp.com

Screenshots

Interval Timer4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is review sentiment: Interval Timer at 88% against Interval Timer's 21%. Interval Timer also leads on rating (4.7 vs 4.5) and update cadence (every 11 days vs monthly). Interval Timer's advantage is ratings volume (538 vs 16). On price, ads, in-app purchases and monetization model 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. Interval Timer sells 3 in-app purchases, starting at $2.99 per month and Interval Timer sells 3 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Interval Timer holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer has 538 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 21% of Interval Timer's written reviews are positive against 88% of Interval Timer's.

UpkeepUpdate frequency

Interval Timer ships an update monthly, Interval Timer every 11 days. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Timer versus Interval Timer: the parameters behind the verdict, then further details
ParameterInterval TimerInterval Timer
PriceFreeFree
Rating4.5 (538 ratings)4.7 (16 ratings) — better
Positive reviews21.1% of reviews87.5% of reviews — better
Number of ratings538 — better16
Update frequencyMonthlyEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS26.013.0 — better
Further details — not scored
Size16 MB5 MB
Age rating4+4+
DeveloperRoma SosnovskyCurtis Wichern

Customer experience

Interval Timer

All ratings536 ratings
Positive86.8%
Neutral3.4%
Negative9.9%
Written reviews95 reviews
Positive21.1%
Neutral8.4%
Negative70.5%

Interval Timer

All ratings12 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Bugs and requests

Interval Timer

Reported bugs

4 issues
  • Timer resets or freezes during workout
  • Prompts not working when phone is locked or in pocket
  • Unexpected interval changes or duration changes
  • Compatibility issues with music playback

Requested features

6 requests
  • Option to pause/resume timer
  • Larger time remaining display
  • Apple Watch app
  • Ability to play audio prompts even with screen off
  • More interval options (run/walk/jog)
Show 1 more
  • Congratulatory audio cue at the end

Interval Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Interval Timer

Subscriptions2
  • Interval Run Pro Monthly$2.991 Month
  • Interval Run Pro Annual7 Days trial$19.991 Year
One-time1
  • Full Version$2.99
3 purchases

Interval Timer

Subscriptions2
  • Monthly Subscription$0.491 Month
  • Yearly Subscription$2.991 Year
One-time1
  • Forever$7.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or Interval Timer?
Interval Timer is rated higher. Interval Timer averages 4.5 out of 5 from 538 ratings, while Interval Timer averages 4.7 from 16 ratings.
Do Interval Timer or Interval Timer have ads?
Neither Interval Timer nor Interval Timer shows ads.
Which is updated more often, Interval Timer or Interval Timer?
Interval Timer ships an update monthly, and Interval Timer every 11 days. Most recently, Interval Timer was updated on November 1, 2026 and Interval Timer on October 29, 2026.

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