Comparison

Interval Timer vs ExTimer

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

Head to head
About

Interval Timer

Create personalized workout timers for HIIT, Tabata, and circuit training. Customize intervals, choose voice or beep cues, and run timers in the background with music. Includes a stopwatch and countdown timer for versatile fitness tracking.

Highlights
  • Custom interval timers
  • Voice or beep cues
  • Background operation
  • Customizable countdown
  • Stopwatch and countdown timer
  • Dark and light mode
Features
Read full description

Maximize your workout routine with our Interval Timer – the ultimate tool for creating personalized timers that cater to your fitness needs. Whether you’re doing circuit training or HIIT, our timer provides full customization options to ensure you achieve your fitness goals with ease. ◆ FEATURES ◉ Create custom interval timers ◉ Start your interval timers with just one ◉ Voice or beep sounds for every workout ◉ Customizable initial countdown ◉ Countdown timer for none-interval workouts ◉ Dedicated stopwatch ◉ Supports dark and light mode ◉ Works in the background - great with headphones and your music. ◆ SPEAKS | BEEPS Know the resting and training times with the loud voice or beep sounds. Don’t want any sounds? Choose the silent mode and watch the time on the screen by enabling prevent auto-lock feature. ◆ RUNS IN THE BACKGROUND Interval Timer can run its timers in the background allowing you to have your screen off or use other apps, and you can always access them whenever you want. We believe that eliminating restrictions and making the process smoother can deliver a much better and more cohesive experience every time. ◆ GO SIMPLE Make use of a classic stopwatch and countdown timer. Track your runs, overall workout time, PRs, and more. ► Get this interval timer to make your workouts even more effective! EULA: https://dmwizards.com/interval-timer-terms-and-conditions

About

ExTimer

This app offers a stylish and customizable interval timer for various activities like workouts, stretching, and time management. With multiple color themes and layout options, it aims to boost training motivation and seamlessly integrate into daily life.

Highlights
  • Stylish and customizable appearance
  • Multiple color variations and layouts
  • Supports interval training (HIIT, Tabata)
  • Useful for workouts, stretching, and time management
  • Light and dark mode options
  • Vertical and horizontal layout support
Features
Read full description

・ Stylish & abundant variations Stylish appearance that motivates training Supports 5 types of color variations, light mode, dark mode, vertical layout, and horizontal layout. By switching a total of 20 patterns according to your mood, you will increase your motivation for training. ・ For everyday use The well-designed appearance blends into everyday life. Training at the gym or at home, stretching, work time management(ex Pomodoro Tracker), cooking timer. This timer with a simple and stylish appearance is useful in various situations in your life.

Screenshots

Interval Timer4 screens
ExTimer4 screens

Verdict

The call

The clearest difference is ads: Interval Timer at none against ExTimer's shown. Interval Timer also leads on ratings volume (142 vs 4). ExTimer's advantage is update cadence (every 11 days vs every 3 weeks) and device support (3 vs 1). On price, rating, review sentiment and in-app purchases 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 2 in-app purchases, starting at $2.99 per month and ExTimer 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

On the App Store both sit at effectively the same score — 4.9 for Interval Timer against 5.0 for ExTimer. That said, the two scores are not equally well evidenced: Interval Timer has 142 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Interval Timer ships an update every 3 weeks, ExTimer every 11 days. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Timer versus ExTimer: the parameters behind the verdict, then further details
ParameterInterval TimerExTimer
PriceFreeFree
Rating4.9 (142 ratings)5.0 (4 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings142 — better4
Update frequencyEvery 3 weeksEvery 11 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.2 — better
Further details — not scored
Size6 MB10 MB
Age rating4+4+
DeveloperDuleep MadusankaHajime Suzuki

Customer experience

Interval Timer

All ratings142 ratings
Positive97.9%
Neutral0.7%
Negative1.4%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ExTimer

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Interval Timer

Subscriptions1
  • Interval Timer (Monthly)$2.991 Month
One-time1
  • Interval Timer (Lifetime)$14.99
2 purchases

ExTimer

One-time2
  • Trial 3DaysFree
  • Hide Ads$1.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is ExTimer free?
ExTimer is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or ExTimer?
ExTimer is rated higher. Interval Timer averages 4.9 out of 5 from 142 ratings, while ExTimer averages 5.0 from 4 ratings.
Do Interval Timer or ExTimer have ads?
ExTimer shows ads; Interval Timer does not.
Which is updated more often, Interval Timer or ExTimer?
Interval Timer ships an update every 3 weeks, and ExTimer every 11 days. Most recently, Interval Timer was updated on September 16, 2026 and ExTimer on September 20, 2026.

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