Comparison

Interval Stopwatch 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 Stopwatch Timer

Easily set custom work and rest intervals with audible alerts. This timer runs in the background, displaying countdowns and elapsed times for focused work, exercise, or study sessions. Supports both portrait and landscape modes.

Highlights
  • Customizable work/rest intervals
  • Audible beep alerts
  • Background operation
  • Countdown and elapsed time displays
  • Portrait and landscape modes
  • Multiple use case examples
Features
Read full description

This is a free and easy to use Interval Stopwatch Timer app that lets you easily set intervals and the app will remind you if it is time for work or rest! GET STARTED RIGHT AWAY Simply set the length of Work / High Intensity intervals and the length of Rest / Low Intensity intervals, and you are Ready to Go! SOUND ALERTS A Beep will let you know when it is time to switch interval. No need to keep checking your phone. RUNS IN THE BACKGROUND Interval Stopwatch Timer runs in the background. Feel free to turn off your display or use other apps while the interval timer is still running. COUNTDOWN AND ELAPSED TIME DISPLAYS The app displays both a Countdown Timer and Elapsed Time for current interval. In addition, it also displays Total Elapsed Time. OTHER Works in both Portrait and Landscape mode. EXAMPLES OF USAGE - Circuit training, Running intervals or other interval training or exercises - Studying - focus for 15 minutes, then rest, then focus again! Research show that the brain cannot stay focused for more than 10-15 minutes - boost your study results! - Working out at home or at the gym, Stretching - Productivity Booster at Work - turn off everything else and focus on one single work task for 20 minutes, then have a break to award yourself, answer those emails and phone calls, reenergize and then go again - Yoga, Mindfulness, Relaxation exercises - Board Games - Great for Pomodoro, Tabata, GTD, HIIT

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 Stopwatch Timer4 screens
Lapz4 screens

Verdict

The call

The clearest difference is rating: Lapz at 5.0 against Interval Stopwatch Timer's 3.0. Lapz also leads on update cadence (every 2 weeks vs every 4 months). Interval Stopwatch Timer's advantage is in-app purchases (none vs 3) and iOS requirement (11.0 vs 16.6). On price, review sentiment, ratings volume and ads 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 Stopwatch Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lapz holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Interval Stopwatch Timer ships an update every 4 months, Lapz every 2 weeks. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Stopwatch Timer versus Lapz: the parameters behind the verdict, then further details
ParameterInterval Stopwatch TimerLapz
PriceFreeFree
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.6
Further details — not scored
Size21 MB7 MB
Age rating4+4+
DeveloperMobilApp.nuMaximilian Trauboth

Customer experience

Interval Stopwatch Timer

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Lapz

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

In-app purchases

None

Interval Stopwatch 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 Stopwatch Timer free?
Interval Stopwatch 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 Stopwatch Timer or Lapz?
Lapz is rated higher. Interval Stopwatch Timer averages 3.0 out of 5 from 2 ratings, while Lapz averages 5.0 from 1 ratings.
Do Interval Stopwatch Timer or Lapz have ads?
Neither Interval Stopwatch Timer nor Lapz shows ads.
Which is updated more often, Interval Stopwatch Timer or Lapz?
Interval Stopwatch Timer ships an update every 4 months, and Lapz every 2 weeks. Most recently, Interval Stopwatch Timer was updated on October 14, 2026 and Lapz on October 4, 2026.

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