Comparison

Interval Timer vs Lapz

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 provides a customizable interval timer for High Intensity Interval Training (HIIT) and Tabata workouts. Easily set up your workout structure with custom sets, action times, and break times for any interval training routine.

Highlights
  • Customizable sets
  • Action time settings
  • Break time settings
  • HIIT training support
  • Tabata training support
  • Simple and easy to use
Features
Read full description

Interval timer for High Intensity Interval Training(HIIT) and Tabata Training Simple Design, Easy to use, applicable to any Interval Training. You can customize your own setting. Features * Sets * Action Time * Break Time

About

Lapz

This app provides an intuitive and straightforward interval timer designed to enhance cardiovascular endurance training. It offers easy setup, reusable timers, and essential features for various sports and activities. An optional Pro version allows for advanced customization and sharing.

Highlights
  • Easy workout setup
  • Reusable saved timers
  • Essential training features
  • Dark mode support
  • Customizable interval workouts (Pro)
  • Shareable workout routines (Pro)
Features
Read full description

Take your training to the next level with Lapz. Interval training is one of the most effective ways to train your cardiovascular endurance. This intuitive and easy-to-use interval timer gets you started within seconds. Instead of distracting you, Lapz fits seamlessly into your workout. It’s simple, fast and straightforward. Following features await you: * Easy Setup: Start your workout right away by adding a new timer to your list. Just configure the sliders to fit your personal training style. * Reusable Timers: Every timer you create will be saved automatically. This way you can reuse timers you’ve already set up. * Only Essential: Lapz provides you with the essentials you need to get the most out of your workout. * Dark Mode: Go hard. Go dark. Experience the charming benefits of Dark Mode during your late night workout sessions. And in case you want to personalize your workouts even further, consider purchasing Lapz Pro. Lapz Pro lets you fully customize your workouts and share it with your friends: * Add Intervals: Create and append single intervals to your workout. * Customize Activities: Quickly adjust title and duration for each interval. * Rearrange Intervals: Change and organize the sequence of your workout. * Share Workouts: Share your beloved workouts with your friends and colleagues. Lapz can be used for any kind of sport that requires periodization such as running, cycling, yoga, cross-fit, MMA, meditation, sprinting, weight-lifting, endurance training, stretching, calisthenics and street workout. 
You may even apply it to equikinetic, horse training, rehabilitation and muay thai. There are no limits! Don't count the laps. Make the laps count. With Lapz! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Data policy: https://sites.google.com/view/lapz-privacy-policy/policy

Screenshots

Interval Timer2 screens
Lapz4 screens

Verdict

The call

The clearest difference is review sentiment: Lapz at 100% against Interval Timer's 0%. Lapz also leads on rating (5.0 vs 2.0) and update cadence (every 2 weeks vs every 34 months). Interval Timer's advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 16.6). On price, ratings volume, ads 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. Lapz sells 3 in-app purchases, starting at $0.99 per month. Interval Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lapz holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Interval Timer's written reviews are positive against 100% of Lapz's.

UpkeepUpdate frequency

Interval Timer ships an update every 34 months, Lapz every 2 weeks. The most recent releases landed on June 1, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
Interval Timer versus Lapz: the parameters behind the verdict, then further details
ParameterInterval TimerLapz
PriceFreeFree
Rating2.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings11
Update frequencyEvery 34 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.6
Further details — not scored
Size8 MB7 MB
Age rating4+4+
DeveloperTony PengMaximilian Trauboth

Customer experience

Interval Timer

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Lapz

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Interval Timer

No in-app purchases

3 purchases

Lapz

Subscriptions2
  • Lapz Pro Monthly14 Days trial$0.991 Month
  • Lapz Pro Yearly14 Days trial$9.991 Year
One-time1
  • Lapz Pro$2.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with no in-app purchases.
Is Lapz free?
Lapz is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or Lapz?
Lapz is rated higher. Interval Timer averages 2.0 out of 5 from 1 ratings, while Lapz averages 5.0 from 1 ratings.
Do Interval Timer or Lapz have ads?
Neither Interval Timer nor Lapz shows ads.
Which is updated more often, Interval Timer or Lapz?
Interval Timer ships an update every 34 months, and Lapz every 2 weeks. Most recently, Interval Timer was updated on June 1, 2026 and Lapz on September 24, 2026.

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