Comparison

Interval Timer vs Custom Workout 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

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

Custom Workout Timer

Design custom workout routines with timed exercises. This app provides spoken prompts for each exercise and countdowns for remaining time. Enjoy your music without interruption during your training sessions.

Highlights
  • Create custom workout routines
  • Timed exercises
  • Spoken exercise prompts
  • Countdown timer
  • Music player integration
Features
Read full description

With this app, you create your own workouts of timed exercises. The app will speak to remind you which exercise to do next, and count down how much time you have left. It doesn't interfere with the music player, so you can listen to your music at the same time.

Screenshots

Interval Timer4 screens
Custom Workout Timer4 screens

Verdict

The call

The clearest difference is rating: Interval Timer at 4.5 against Custom Workout Timer's 3.7. Interval Timer also leads on update cadence (every 9 days vs every 6 months) and ratings volume (19K vs 6). Custom Workout Timer's advantage is ads (none vs shown) and review sentiment (88% vs 69%). On price, in-app purchases, monetization model 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. Interval Timer sells 6 in-app purchases, starting at $0.99 per month and Custom Workout Timer sells 2 one-off in-app purchases. 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, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 69% of Interval Timer's written reviews are positive against 88% of Custom Workout Timer's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, Custom Workout Timer every 6 months. The most recent releases landed on September 24, 2026 and June 10, 2026 respectively.

Scorecard6 real differences · 4 level
Interval Timer versus Custom Workout Timer: the parameters behind the verdict, then further details
ParameterInterval TimerCustom Workout Timer
PriceFreeFree
Rating4.5 (19K ratings) — better3.7 (6 ratings)
Positive reviews69.0% of reviews87.5% of reviews — better
Number of ratings19K — better6
Update frequencyEvery 9 days — betterEvery 6 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size143 MB28 MB
Age rating4+4+
DeveloperNEO PIXEL LABS PTE. LTD.Encodia, LLC

Customer experience

Interval Timer

All ratings19,032 ratings
Positive88.4%
Neutral3.3%
Negative8.3%
Written reviews1,236 reviews
Positive69.0%
Neutral5.7%
Negative25.2%

Custom Workout Timer

All ratings6 ratings
Positive66.7%
Neutral16.7%
Negative16.7%
Written reviews8 reviews
Positive87.5%
Neutral12.5%
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

Custom Workout Timer

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
2 purchases

Custom Workout Timer

One-time2
  • 7-day TrialFree
  • Full App$1.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Custom Workout Timer free?
Custom Workout Timer is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or Custom Workout Timer?
Interval Timer is rated higher. Interval Timer averages 4.5 out of 5 from 19K ratings, while Custom Workout Timer averages 3.7 from 6 ratings.
Do Interval Timer or Custom Workout Timer have ads?
Interval Timer shows ads; Custom Workout Timer does not.
Which is updated more often, Interval Timer or Custom Workout Timer?
Interval Timer ships an update every 9 days, and Custom Workout Timer every 6 months. Most recently, Interval Timer was updated on September 24, 2026 and Custom Workout Timer on June 10, 2026.

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