Comparison

Python PTS vs RUN interval

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

RUN interval

This app simplifies interval and Fartlek running by allowing you to set custom targets for time or distance during hard, easy, and rest efforts. It offers detailed post-run summaries, audio and visual feedback, and an Apple Watch app for enhanced training.

Highlights
  • Customizable interval sessions
  • Time and distance targets
  • Distance Goal option
  • Audio and visual feedback
  • Detailed run summaries
  • Apple Watch app
  • Strava sharing
Features
Read full description

Easily set up and record your Interval and Fartlek running sessions. With the flexibility of using time and/or distance as interval targets for your "Hard", "Easy" and "Rest" efforts. The simple but highly configurable interface on your phone and watch will have you running sooner. Now with a Distance Goal option for your session. Along with great audio and visual feedback, detailed post-run summary, share your runs to Strava, and a full-featured Apple Watch app. You can also record your regular runs with voice-over calling out distance and pace feedback. Key Features: • Easily create flexible custom interval sessions. • Utilize three effort targets "Hard", "Easy" and "Rest" in each set, targeting time or distance (meters or miles). • You can "Skip" any of the three efforts to create flexible sets, like building a progressive intervals session. • NEW: Set a Distance Goal for your session, that repeats the sets from the start until the distance has been reached. • Set a Warm-Up and Warm-Down timer or distance around your session. • Clear and easily glanceable visuals and audio prompts, including vibrations. • Voice-over prompts to save you from looking at the screen, great for iPhone or headphone users. • Voice-over prompts include the upcoming intervals effort and time/distance amount, and your last intervals average pace and heart rate. • Full-featured Apple Watch App! • Heart Rate Zones! (see description below) • Indoor Mode, no GPS, for treadmill running. • Sound Mode, for normal, discrete or silent audio prompts on your watch. • Vibration feedback on both the phone and watch. • Detailed run summary, showing pace for hard and easy efforts. • The run summary also includes interval breakdown, distance breakdown and heart rate details. • Play music or podcasts while running and still hear the audio prompts. • Sharing. Share a summary photo with your friends. • Private data. We don’t send any of your data to a server or share it with anyone. Session Types: • Normal Run – Record a normal run, long or short. • Record Intervals – If you run with a group or do an undefined session, then use the Record Interval option. It allows you to manually change between "Hard" and "Easy" reps, allowing you to record your session. • Custom Intervals – Our fully flexible intervals that allow you to use time and/or distance for the efforts. Add multiple intervals sets together to create the session you want. Sharing: From the summary screen, you can share your runs with friends or across social media. If you want to share directly with friends or across other social media, you can share a summary image with the details of your run. Heart Rate Zones: (Apple Watch Only) Zones are displayed as grouped percentages of your maximum heart rate. Giving you an indication of your current work rate based on your current heart rate. Just enter your maximum workout heart rate into our Settings screen and they will display on your Watch the next time you run. Zone 1: Very Light Effort 50-60% (Gray) Zone 2: Light Effort 60-70% (Blue) Zone 3: Moderate Effort 70-80% (Green) Zone 4: Hard Effort 80-90% (Yellow) Zone 5: Maximum Effort 90-100% (Red) Privacy: We don’t want to know where you have run, that's for you to worry about. We don’t send any of your data to a server or share it with anyone you don't want too. We keep your running records safe in Apple Health so you have control. Apple Heath gives you the control over who accesses your data. We only write and read the data we record from your running. Feedback: And because we don't send any data to a server, we need you to send us feedback and suggestions. Hit the Support link below or visit our website to contact us.

Screenshots

Python PTS4 screens
RUN interval4 screens

Verdict

The call

The clearest difference is monetization model: Python PTS at free against RUN interval's free with in-app purchases. Python PTS also leads on review sentiment (100% vs 77%) and rating (5.0 vs 4.7). RUN interval's advantage is ratings volume (1K vs 9). On price, ads, in-app purchases 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. Python PTS sells 1 one-off in-app purchase and RUN interval 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

Python PTS holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: RUN interval has 1K 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 77% of RUN interval's.

UpkeepUpdate frequency

Python PTS ships an update every 3 weeks, RUN interval every 3 months. The most recent releases landed on September 23, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 5 level
Python PTS versus RUN interval: the parameters behind the verdict, then further details
ParameterPython PTSRUN interval
PriceFreeFree
Rating5.0 (9 ratings) — better4.7 (1K ratings)
Positive reviews100.0% of reviews — better77.5% of reviews
Number of ratings91K — better
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod, Apple WatchiPhone, iPod, Apple Watch
Requires iOS15.0 — better15.6
Further details — not scored
Size23 MB34 MB
Age rating4+4+
DeveloperZachary MakarCAN YOU HEAR ME SOFTWARE

Customer experience

Python PTS

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

RUN interval

All ratings1,003 ratings
Positive94.3%
Neutral1.6%
Negative4.1%
Written reviews191 reviews
Positive77.5%
Neutral5.2%
Negative17.3%

In-app purchases

1 purchases

Python PTS

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

RUN interval

One-time2
  • The full RUN interval$1.99
  • The full RUN interval$3.99

Questions

Is Python PTS free?
Python PTS is free to download, with in-app purchases available.
Is RUN interval free?
RUN interval is free to download, with in-app purchases available.
Which has better reviews, Python PTS or RUN interval?
Python PTS is rated higher. Python PTS averages 5.0 out of 5 from 9 ratings, while RUN interval averages 4.7 from 1K ratings.
Do Python PTS or RUN interval have ads?
Neither Python PTS nor RUN interval shows ads.
Which is updated more often, Python PTS or RUN interval?
Python PTS ships an update every 3 weeks, and RUN interval every 3 months. Most recently, Python PTS was updated on September 23, 2026 and RUN interval on October 1, 2026.

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