Comparison

Python PTS vs Interval Timer

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

Head to head
About

Python PTS

This advanced fitness app uses haptic and audio cues to keep you aware of workout times without needing to look at a screen. It intelligently adjusts timer speeds to push you harder and integrates with Apple Health to track vital metrics.

Highlights
  • Haptic and audio workout timers
  • Intelligent timer speed adjustments
  • Multiple difficulty levels
  • Apple Health integration
  • Heart rate tracking
  • Calorie and distance tracking
Features
Read full description

The most advanced Health and Fitness application in the world. Python PTS (Performance Training System) uses haptic and audio feedback patterns to keep users aware of the current time during their workouts, therefore removing the need for users to have to LOOK at the time. This is a groundbreaking feature that has forever changed the way training is done for swimmers, runners, weight lifters, and more. Python PTS is also baked with intelligence, and randomly speeds up its timer to keep users training harder. Users can choose from four difficulties to determine how fast their PTS timer will push them, or can opt to have regular speed. APPLE HEALTH INTEGRATION Along with all of this, Python PTS integrates with Apple Health to allow users to view heart rate data, caloric data, distance data, steps taken, and swimming strokes taken during workouts. Download the most innovative concept for Health and Fitness software in the market, Python PTS.

About

Interval Timer

This app provides a customizable interval timer for various training routines, including HIIT and Tabata. Easily set up custom workouts, track your progress, and stay motivated with visual cues and audio notifications. It's suitable for a wide range of activities from fitness to productivity.

Highlights
  • Customizable workout setup
  • Progress tracking with calendar
  • Saveable custom presets
  • Color-coded notifications
  • Listen to music/audiobooks
  • Large, full-screen display
  • Widget for easy access
Features
Read full description

Interval Timer: Tabata and HIIT is a customizable timer for sports. Use it for High-intensity interval training and workout. It's a free sports interval timer app that makes it easy to create your custom training routine. Use it as your timer for training or exercise. This sports timer is great for crossfit, fitness and running. The sports timer will also be useful for various activities such as crossfit, jogging, boxing,circuit training,breathing exercises and yoga. You can use this circuit timer as a productivity timer to focus on your work tasks. Key features: Setup workout Tracking your progress Customizable presets Notifications & colors Motivation Listening music or books Huge digits Widget SETUP WORKOUT Set up, edit and save your own workouts with the customizable feature. Add as many intervals as you like. You can add a 10 second rest period and a 20 second work period, as well as a 5 second interval between exercises. TRACKING PROGRESS Track your workouts with a Calendar. Plan and track events, and get notified when you have a training scheduled. With this feature, you will not miss a single workout and will keep track of your progress. CUSTOMIZABLE PRESETS Save your workouts in the presets section. It's also possible to create your own custom intervals. You can add an unlimited number of presets. NOTIFICATIONS & COLORS Each training phase is easy to distinguish by a different color and is initiated by an individually adjustable signal (sound, vibration, voice) MOTIVATION Each completed exercise motivates you to achieve higher goals. Enjoy your training and achieve your fitness goals with the interval timer. LISTENING MUSIC Listen to motivational audiobooks or your favorite music and get inspired and energized. Full screen color coded display is easy to read from a distance. Widget helps you train without being distracted by the constant unlocking of your phone. Interval Timer: Tabata and HIIT is an easy to use sports workout timer for your daily fitness training at home, at the gym or everywhere else.

Screenshots

Python PTS4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is ads: Python PTS at none against Interval Timer's shown. Python PTS also leads on monetization model (free vs free with in-app purchases). Interval Timer's advantage is ratings volume (379 vs 9). On price, rating, review sentiment and update cadence 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. Python PTS sells 1 one-off in-app purchase and Interval Timer sells 12 in-app purchases, starting at $2.09 per month. 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 — 5.0 for Python PTS against 4.9 for Interval Timer. That said, the two scores are not equally well evidenced: Interval Timer has 379 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 100% of Python PTS's written reviews are positive against 97% of Interval Timer's.

UpkeepUpdate frequency

Python PTS ships an update every 3 weeks, Interval Timer monthly. The most recent releases landed on June 6, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
Python PTS versus Interval Timer: the parameters behind the verdict, then further details
ParameterPython PTSInterval Timer
PriceFreeFree
Rating5.0 (9 ratings) — better4.9 (379 ratings)
Positive reviews100.0% of reviews — better96.5% of reviews
Number of ratings9379 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.015.0
Further details — not scored
Size23 MB113 MB
Age rating4+4+
DeveloperZachary MakarSimpleInnovation LLC

Customer experience

Python PTS

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Interval Timer

All ratings379 ratings
Positive99.5%
Neutral0.3%
Negative0.3%
Written reviews317 reviews
Positive96.5%
Neutral0.9%
Negative2.5%

Bugs and requests

Python PTS

Not enough reviews yet to summarise bugs or requests.

Interval Timer

Reported bugs

2 issues
  • Occasional app crashes
  • Compatibility issues with older devices

Requested features

3 requests
  • More pre-designed workout routines
  • Ability to name and customize exercises
  • Option to adjust countdown time between intervals

In-app purchases

1 purchases

Python PTS

One-time1
  • Python PTS Unlock Key$4.99
12 purchases

Interval Timer

Subscriptions8
  • Timer PRO for 1 month: 30% OFF7 Days trial$2.091 Month
  • Timer PRO for 1 month: 25% OFF7 Days trial$2.291 Month
  • Interval Timer PRO for 1 month$2.991 Month
Show 5 more
  • Interval Timer PRO for 1 month7 Days trial$2.991 Month
  • Interval Timer PRO - 30% OFF7 Days trial$15.001 Year
  • Interval Timer PRO - 25% OFF7 Days trial$16.491 Year
  • Interval Timer PRO for 1 year$21.991 Year
  • Tabata Timer PRO for 1 year7 Days trial$21.991 Year
One-time4
  • Interval Timer - no Ads$2.99
  • HIIT Timer PRO Forever 30% OFF$27.99
  • HIIT Timer PRO Forever 25% OFF$29.99
Show 1 more
  • Exercise Timer PRO Forever$39.99

Questions

Is Python PTS free?
Python PTS is free to download, with in-app purchases available.
Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Which has better reviews, Python PTS or Interval Timer?
Python PTS is rated higher. Python PTS averages 5.0 out of 5 from 9 ratings, while Interval Timer averages 4.9 from 379 ratings.
Do Python PTS or Interval Timer have ads?
Interval Timer shows ads; Python PTS does not.
Which is updated more often, Python PTS or Interval Timer?
Python PTS ships an update every 3 weeks, and Interval Timer monthly. Most recently, Python PTS was updated on June 6, 2026 and Interval Timer on September 25, 2026.

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