# Python PTS vs Coach Larry Stroke Lab

The clearest difference is in-app purchases: Coach Larry Stroke Lab at none against Python PTS's 1. Coach Larry Stroke Lab also leads on update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Python PTS sells 1 one-off in-app purchase. Coach Larry Stroke Lab asks for nothing beyond the download.

Python PTS ships an update every 3 weeks, Coach Larry Stroke Lab weekly. The most recent releases landed on June 6, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Python PTS | Coach Larry Stroke Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/python-pts-interval-timer/id1252192713/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 23 MB | 5 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zachary Makar](https://appshunter.io/developer/1252192712) | [King of the Curve, LLC](https://appshunter.io/developer/1534662920) |

## What reviewers say

### Python PTS

[App page](https://appshunter.io/ios/app/python-pts-interval-timer/id1252192713)

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:** Siri integration

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Python PTS Unlock Key | $4.99 | one-time |


### Coach Larry Stroke Lab

[App page](https://appshunter.io/ios/app/coach-larry-stroke-lab/id6782225743)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Python PTS free?

Python PTS is free to download, with in-app purchases available.

### Is Coach Larry Stroke Lab free?

Coach Larry Stroke Lab is free to download, with no in-app purchases.

### Do Python PTS or Coach Larry Stroke Lab have ads?

Neither Python PTS nor Coach Larry Stroke Lab shows ads.

### Which is updated more often, Python PTS or Coach Larry Stroke Lab?

Python PTS ships an update every 3 weeks, and Coach Larry Stroke Lab weekly. Most recently, Python PTS was updated on June 6, 2026 and Coach Larry Stroke Lab on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*