# Swim Clock Controller vs Pool Clock

The clearest difference is review sentiment: Pool Clock at 75% against Swim Clock Controller's 0%. Pool Clock also leads on price ($0.99 vs $5.99). Swim Clock Controller's advantage is update cadence (every 9 months vs every 25 months) and chart position (#195 vs unranked). On ads, in-app purchases, monetization model and device support there is nothing between them.

Swim Clock Controller costs $5.99 and Pool Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Swim Clock Controller ships an update every 9 months, Pool Clock every 25 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Swim Clock Controller | Pool Clock |
| --- | --- | --- |
| Price | $5.99 | **$0.99** |
| Rating | — | **[3.8 (4 ratings)](https://appshunter.io/ios/app/pool-clock/id1462481623/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 25 months |
| Monetization | Paid | Paid |
| Best chart rank | **#195** | — |
| Size | 100 MB | 3 MB |
| Requires iOS | 12.2 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Industrial Service technology inc.](https://appshunter.io/developer/1093928847) | [Sohta Itoh](https://appshunter.io/developer/965803614) |

## What reviewers say

### Swim Clock Controller

[App page](https://appshunter.io/ios/app/swim-clock-controller/id1093928848)

**Currently charting:** #195 Top Paid · Health & Fitness (US App Store)

This app allows you to control up to four IST Swim Clock devices via Bluetooth. It offers four distinct operational modes: Timer, Game Clock, Ez Mode, and Workout Mode. A demo mode is available for testing, but full functionality requires a compatible IST pace clock.

**Highlights:** Bluetooth control for IST Swim Clocks, Supports up to 4 pace clocks, Timer mode, Game clock mode, Ez Mode, Workout Mode

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Swim Clock Controller free?

Swim Clock Controller costs $5.99, with no in-app purchases.

### Is Pool Clock free?

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

### Do Swim Clock Controller or Pool Clock have ads?

Neither Swim Clock Controller nor Pool Clock shows ads.

### Which is updated more often, Swim Clock Controller or Pool Clock?

Swim Clock Controller ships an update every 9 months, and Pool Clock every 25 months. Most recently, Swim Clock Controller was updated on October 7, 2026 and Pool Clock on October 15, 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.*