# Pool Clock vs Coach Larry Stroke Lab

The clearest difference is price: Coach Larry Stroke Lab at Free against Pool Clock's $0.99. Coach Larry Stroke Lab also leads on update cadence (weekly vs every 25 months). Pool Clock's advantage is iOS requirement (12.0 vs 15.4). On ads, in-app purchases and device support there is nothing between them.

Coach Larry Stroke Lab is free to download; Pool Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pool Clock ships an update every 25 months, Coach Larry Stroke Lab weekly. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Pool Clock | Coach Larry Stroke Lab |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/pool-clock/id1462481623/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Weekly** |
| Monetization | Paid | — |
| Size | 3 MB | 5 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sohta Itoh](https://appshunter.io/developer/965803614) | [King of the Curve, LLC](https://appshunter.io/developer/1534662920) |

## What reviewers say

### Pool Clock

[App page](https://appshunter.io/ios/app/pool-clock/id1462481623)

This app simulates a traditional swimming pace clock for interval training. It helps swimmers track intervals, set preparation times, and manage repetitions. Features include an optional digital clock and sound alerts.

**Highlights:** Interval training timer, Customizable interval repetitions, Preparation time setting, Optional digital clock display, Countdown beep sound, Screen stays on during use

**Features:** Vision Pro support

**In-app purchases:** none


### 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 Pool Clock free?

Pool Clock costs $0.99, with no in-app purchases.

### Is Coach Larry Stroke Lab free?

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

### Do Pool Clock or Coach Larry Stroke Lab have ads?

Neither Pool Clock nor Coach Larry Stroke Lab shows ads.

### Which is updated more often, Pool Clock or Coach Larry Stroke Lab?

Pool Clock ships an update every 25 months, and Coach Larry Stroke Lab weekly. Most recently, Pool Clock was updated on October 15, 2026 and Coach Larry Stroke Lab on October 11, 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.*