# ClockMaster vs Control Freak Pool

The clearest difference is price: Control Freak Pool at Free against ClockMaster's $49.99. Control Freak Pool also leads on rating (5.0 vs 3.8) and review sentiment (100% vs 59%). ClockMaster's advantage is ratings volume (52 vs 5) and chart position (#182 vs unranked). On ads and device support there is nothing between them.

Control Freak Pool is free to download; ClockMaster costs $49.99 up front. ClockMaster sells 1 one-off in-app purchase. Control Freak Pool asks for nothing beyond the download.

Control Freak Pool holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: ClockMaster has 52 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 59% of ClockMaster's written reviews are positive against 100% of Control Freak Pool's.

ClockMaster ships an update every 5 months, Control Freak Pool every 8 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ClockMaster | Control Freak Pool |
| --- | --- | --- |
| Price | $49.99 | **Free** |
| Rating | [3.8 (52 ratings)](https://appshunter.io/ios/app/clockmaster-time-regulator/id413901882/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/control-freak-pool/id6751548366/reviews)** |
| Number of ratings | **52** | 5 |
| Positive reviews | 58.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#182** | — |
| Size | 5 MB | 36 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [Dimig Digs LLC](https://appshunter.io/developer/1835716910) |

## What reviewers say

### ClockMaster

[App page](https://appshunter.io/ios/app/clockmaster-time-regulator/id413901882)

**Currently charting:** #182 Top Paid · Utilities (US App Store)

This app analyzes the ticking sound of mechanical pendulum clocks to determine their running rate and error. It's designed for accurate long-term measurements, allowing users to regulate clocks efficiently. Advanced features include printable reports and data export for in-depth analysis.

**Highlights:** Analyzes escapement ticking sound, Measures running rate in Beats Per Hour (B/H), Reports error in Seconds Per Day (±S/D), Supports long-term measurements, Generates printable PDF reports (Pro), Exports raw data as .csv file (Pro)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClockMaster Pro | $29.99 | one-time |

**What reviewers like**

- 👍 Works very well
- 👍 Accurately sets beat and calibrates time
- 👍 Good alternative to expensive dedicated instruments
- 👍 Elegant display for setting beat and symmetry
- 👍 Works well for professional clock repairers

**What reviewers complain about**

- 😞 Frustrating data handling
- 😞 Spreadsheet export issues
- 😞 iPhone notifications stop measurements
- 😞 Does not work for 400-day clocks
- 😞 External mic option missing

**Reported bugs**

- Data lost if app stops unexpectedly
- iPhone notifications interrupt measurements
- External mic option not available
- App freezes after iOS upgrade
- Screen touch points unresponsive

**Requested features**

- Printable protocol like a timegrapher
- Beat delta info on regulation screen
- Option to manually restart measurement and append
- Undocumented units in spreadsheet export
- Include actual time in spreadsheet export


### Control Freak Pool

[App page](https://appshunter.io/ios/app/control-freak-pool/id6751548366)

Effortlessly manage your smart pool equipment, including pumps, lights, and heaters, directly from your iPhone. This app offers an intuitive interface for homeowners and pool professionals to simplify pool maintenance and achieve optimal settings with ease.

**Highlights:** Remote control of pumps, lights, and heaters, Intuitive and simple user interface, Easy setup over home WiFi, No cloud accounts required, Designed for homeowners and pool professionals

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

**In-app purchases:** none


## Frequently asked questions

### Is ClockMaster free?

ClockMaster costs $49.99, and also offers in-app purchases.

### Is Control Freak Pool free?

Control Freak Pool is free to download, with no in-app purchases.

### Which has better reviews, ClockMaster or Control Freak Pool?

Control Freak Pool is rated higher. ClockMaster averages 3.8 out of 5 from 52 ratings, while Control Freak Pool averages 5.0 from 5 ratings.

### Do ClockMaster or Control Freak Pool have ads?

Neither ClockMaster nor Control Freak Pool shows ads.

### Which is updated more often, ClockMaster or Control Freak Pool?

ClockMaster ships an update every 5 months, and Control Freak Pool every 8 days. Most recently, ClockMaster was updated on October 8, 2026 and Control Freak Pool on October 6, 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.*