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 is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

Highlights
  • Customizable interval settings
  • Voice assistant with text-to-speech
  • Music ducking for audio integration
  • Save custom workouts
  • Tabata, Rounds, Stopwatch modes
  • Apple Health integration
Features
Read full description

Special timer for interval training. This Interval Timer offers: • Very intuitive interface. After installing this timer you need to press one button to start a tabata workout with classic settings. • Ability to set up prepare, work, rest, rest between sets, cool down time, number of cycles and sets. • Intervals can be configured individually. With this interval training timer you can create any interval workout with any sequence of intervals. • Voice assistant with text-to-speech. • Add descriptions to intervals that will be displayed on the timer screen and will be voiced. • Bright and nice colors. • Ability to lower the volume in your music player while playing the timer sounds (ducking). • List of your saved workouts. • NEW! Quick workout - setup your workout with fast and ease. The opportunity to display mode: - Tabata Protocol. - Rounds. - Stopwatch. - Intervals. Tabata is a form of high-intensity interval training (HIIT): • Workout hard for 20 seconds • Rest for 10 seconds • Complete 8 rounds It's time to train, good luck! Application supports Apple Health to track activity during workout. You can download the app for free. Further use requires a subscription. At our discretion, we may decide to offer you a free trial per the terms displayed in the app. Please note that: When opting for a subscription, you pay the fixed price for your country, which is displayed in the app. Payment will be charged to your Apple ID Account upon confirmation of purchase. Subscription automatically renews and free trial automatically converts into subscription unless auto-renewal is turned off at least 24 hours before the end of the current period. Your Account will be charged for renewal within 24 hours prior to the end of the current subscription period. You can manage your subscriptions and turn off auto-renewal by going to Account Settings after purchase. When canceling a subscription or a free trial, your subscription/free trial will stay active until the end of the current period. Auto-renewal will be disabled, but the current subscription will not be refunded. Terms of Use and Privacy Policy: https://docs.google.com/document/d/1FMzBsd_mSO69xuzkpOKljPPtxRMWMTzt2iGs6wJIhik

Screenshots

Python PTS4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is monetization model: Python PTS at free against Interval Timer's subscription. Python PTS also leads on review sentiment (100% vs 67%) and rating (5.0 vs 4.7). Interval Timer's advantage is ratings volume (3.5K vs 9). On price, update cadence, ads 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. Python PTS sells 1 one-off in-app purchase and Interval Timer sells 12 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Python PTS holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Interval Timer has 3.5K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 100% of Python PTS's written reviews are positive against 67% of Interval Timer's.

UpkeepUpdate frequency

Python PTS ships an update every 3 weeks, Interval Timer every 4 weeks. The most recent releases landed on September 23, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
Python PTS versus Interval Timer: the parameters behind the verdict, then further details
ParameterPython PTSInterval Timer
PriceFreeFree
Rating5.0 (9 ratings) — better4.7 (3.5K ratings)
Positive reviews100.0% of reviews — better66.5% of reviews
Number of ratings93.5K — better
Update frequencyEvery 3 weeks — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterSubscription
DevicesiPhone, iPod, Apple Watch — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size23 MB243 MB
Age rating4+4+
DeveloperZachary MakarHIIT Apps Sp. z o.o.

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 ratings3,466 ratings
Positive92.1%
Neutral2.3%
Negative5.6%
Written reviews442 reviews
Positive66.5%
Neutral7.9%
Negative25.6%

Bugs and requests

Python PTS

Not enough reviews yet to summarise bugs or requests.

Interval Timer

Reported bugs

3 issues
  • Workouts disappearing
  • App crashes and freezes
  • Timing issues with intervals

Requested features

4 requests
  • Apple Watch integration
  • More customization options
  • Additional audio cues and prompts
  • Improved workout tracking and history

In-app purchases

1 purchases

Python PTS

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

Interval Timer

Subscriptions8
  • Intervals: monthly membership7 Days trial$1.991 Month
  • Intervals: membership7 Days trial$3.993 Months
  • Intervals: monthly membership$4.991 Month
Show 5 more
  • Intervals: yearly membership$6.991 Year
  • Intervals: yearly membership1 Year trial$9.991 Year
  • Intervals: yearly membership7 Days trial$19.991 Year
  • Intervals: yearly membership7 Days trial$24.991 Year
  • Intervals: membership7 Days trial$24.991 Year
One-time4
  • Intervals | PRO version$14.99
  • Intervals | Membership$14.99
  • Intervals | Membership$34.99
Show 1 more
  • Intervals | Membership$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 4.7 from 3.5K ratings.
Do Python PTS or Interval Timer have ads?
Neither Python PTS nor Interval Timer shows ads.
Which is updated more often, Python PTS or Interval Timer?
Python PTS ships an update every 3 weeks, and Interval Timer every 4 weeks. Most recently, Python PTS was updated on September 23, 2026 and Interval Timer on October 9, 2026.

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