# régulateur vs Clockwork

The clearest difference is in-app purchases: régulateur at none against Clockwork's 1. régulateur also leads on review sentiment (75% vs 43%). Clockwork's advantage is update cadence (every 3 weeks vs every 11 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Clockwork sells 1 one-off in-app purchase. régulateur asks for nothing beyond the download.

régulateur holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 12 and 24 respectively. Written reviews point the same way: 75% of régulateur's written reviews are positive against 43% of Clockwork's.

régulateur ships an update every 11 months, Clockwork every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | régulateur | Clockwork |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/regulateur/id1550407692/reviews)** | [4.4 (24 ratings)](https://appshunter.io/ios/app/clockwork-watch-app/id1612061033/reviews) |
| Number of ratings | 12 | **24** |
| Positive reviews | **75.0% of reviews** | 42.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 242 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eric Kunz](https://appshunter.io/developer/919557120) | [Appfred AS](https://appshunter.io/developer/1612061035) |

## What reviewers say

### régulateur

[App page](https://appshunter.io/ios/app/regulateur/id1550407692)

This utility app assists with setting watches and clocks. It displays a second time zone, current moon phase, and detailed perpetual calendar information including the leap year cycle.

**Highlights:** Second time zone display, Current moon phase, Perpetual calendar details, Leap year cycle information, Watch and clock setting assistance

**In-app purchases:** none


### Clockwork

[App page](https://appshunter.io/ios/app/clockwork-watch-app/id1612061033)

This app allows you to measure the accuracy of your watches using your phone's camera. It compares an image of your watch to an atomic clock to calculate its timekeeping offset. Track accuracy over time with graphs and store detailed watch information.

**Highlights:** Measure accuracy using images, Atomic clock synchronization, Accuracy over time graphs, Store detailed watch information, Dark mode support, Digital and analog atomic clock

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clockwork Premium | $5.99 | one-time |


## Frequently asked questions

### Is régulateur free?

régulateur is free to download, with no in-app purchases.

### Is Clockwork free?

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

### Which has better reviews, régulateur or Clockwork?

régulateur is rated higher. régulateur averages 4.6 out of 5 from 12 ratings, while Clockwork averages 4.4 from 24 ratings.

### Do régulateur or Clockwork have ads?

Neither régulateur nor Clockwork shows ads.

### Which is updated more often, régulateur or Clockwork?

régulateur ships an update every 11 months, and Clockwork every 3 weeks. Most recently, régulateur was updated on October 2, 2026 and Clockwork on October 7, 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.*