Comparison

Interval Timer vs Intervals

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

Head to head
About

Interval Timer

This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

Highlights
  • Customizable sets, intervals, and rest times
  • Runs in background and with screen locked
  • Music playlist integration
  • Save settings as templates
  • Apple Health integration for heart rate
  • Post workouts to social media
Features
Read full description

***Free and reliable. Perfect for use at home, at the track or in the gym. We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you. Running foreground, background or with device locked, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets. Produced by Polycents! Key Features: - Customizable sets, high/low intensity interval and rest for your own need - Retina display, iOS4 and multitasking - Continue to run even when screen is locked - Play your song or playlist during your workout - Post your workout to Facebook or Twitter - Save settings as templates Customizable Features: - Number of Sets - Countdown Time - Set Time - Low Interval time - High Interval time - Rest Time - First Interval (low or high) - Sound Volume - Timer Sounds - Auto Lock - Vibrate - Pause during Rest - Playlist - New Each Set APPLE HEALTH: -Interval Timer can use Apple Health to show heart rate in Apple Watch App. # Subscription Details # - Monthly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. Terms of Use: https://www.iubenda.com/terms-and-conditions/18915396 Privacy Policy: https://www.iubenda.com/privacy-policy/18915396

About

Intervals

Design custom interval training routines for high-intensity workouts. This free timer app offers large, clear visuals and audible cues for seamless transitions between exercises. It's ideal for home or outdoor fitness sessions, including Tabata and yoga.

Highlights
  • Custom interval workout creation
  • Large font and contrasting colors
  • Audible interval transition cues
  • Supports Tabata and yoga workouts
  • No account or personal data required
  • Offline workout storage
Features
Read full description

Use HIIT Builder Lite as a free interval timer to manage your High Intensity Interval Training to maximize your fitness. Create custom interval workouts to energize your personal training. The workout is stored on your device. There is no need to create an account. We don’t ask for any personal health data. HIIT Builder Lite 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 Lite as an interval timer for high intensity interval training. HIIT Builder Lite can also be used for custom yoga and other custom movement workouts. HIIT Builder Lite uses large fonts and contrasting colors to make it easy to see where you are in an exercise in your interval workout. Interval transitions are easy to see on the user interface. The app also rings bells when switching from one workout interval to the next workout interval. 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. Download HIIT Builder Lite for a free interval timer. Thoughts, concerns, suggestions? We're always trying to improve. Please email us at info@hiitbuilderapp.com

Screenshots

Interval Timer4 screens
Intervals4 screens

Verdict

The call

The clearest difference is rating: Intervals at 5.0 against Interval Timer's 4.5. Intervals also leads on in-app purchases (none vs 8). Interval Timer's advantage is update cadence (every 9 days vs every 4 months) and ratings volume (19K vs 1). 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. Interval Timer sells 6 in-app purchases, starting at $0.99 per month. Intervals asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Intervals holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, Intervals every 4 months. The most recent releases landed on October 19, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Timer versus Intervals: the parameters behind the verdict, then further details
ParameterInterval TimerIntervals
PriceFreeFree
Rating4.5 (19K ratings)5.0 (1 ratings) — better
Positive reviews72.9% of reviews—
Number of ratings19K — better1
Update frequencyEvery 9 days — betterEvery 4 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.012.1 — better
Further details — not scored
Size143 MB15 MB
Age rating4+12+
DeveloperNEO PIXEL LABS PTE. LTD.Curtis Wichern

Customer experience

Interval Timer

All ratings19,032 ratings
Positive88.4%
Neutral3.3%
Negative8.3%
Written reviews1,597 reviews
Positive72.9%
Neutral5.8%
Negative21.4%

Intervals

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

Bugs and requests

Interval Timer

Reported bugs

3 issues
  • Ads block functionality
  • App freezes or crashes
  • Timer doesn't work in background

Requested features

5 requests
  • Add notes to workouts
  • Provide workout history and analytics
  • Allow syncing with Apple Health
  • Improve Apple Watch integration
  • Add more customization options

Intervals

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Interval Timer

Subscriptions6
  • Plus - 1 Month$0.991 Month
  • Premium - 1 Month$1.991 Month
  • Plus - 1 Month$1.991 Month
Show 3 more
  • Premium - 1 Month$2.991 Month
  • Plus - 1 Year2 variants$4.991 Year
  • Premium - 1 Year7 Days trial2 variants$9.991 Year
None

Intervals

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Intervals free?
Intervals is free to download, with no in-app purchases.
Which has better reviews, Interval Timer or Intervals?
Intervals is rated higher. Interval Timer averages 4.5 out of 5 from 19K ratings, while Intervals averages 5.0 from 1 ratings.
Do Interval Timer or Intervals have ads?
Both Interval Timer and Intervals show ads.
Which is updated more often, Interval Timer or Intervals?
Interval Timer ships an update every 9 days, and Intervals every 4 months. Most recently, Interval Timer was updated on October 19, 2026 and Intervals on October 2, 2026.

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