régulateur vs Clockwork
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
régulateur
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.
- Second time zone display
- Current moon phase
- Perpetual calendar details
- Leap year cycle information
- Watch and clock setting assistance
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Régulateur includes several features that make it a great tool for while setting your watch or clock. A second time zone can be set and stored in the app for setting your GMT watches. The current moon phase is displayed for setting your annual calendar timepiece. For perpetual calendars the app displays the month, date, day, and even the time in the leap year cycle.
Clockwork
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.
- Measure accuracy using images
- Atomic clock synchronization
- Accuracy over time graphs
- Store detailed watch information
- Dark mode support
- Digital and analog atomic clock
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Measure the accuracy of your watches today! Clockwork includes several useful features. You can store watch information, measure watch accuracy, and set your watch using a clock synchronized with atomic time. Check it out now! _MEASUREMENTS USING IMAGES_ Most other watch measurement apps require either third-party equipment or that you press a button at a specific time. Additional equipment is often expensive, and timing a button press is difficult to do precisely. Clockwork solves this by letting you take a picture of your watch and indicate the time shown in the image. We then synchronize the image capture time with atomic time before comparing it with the time shown on the watch to calculate an offset. Taking measurements over time provides a real-world view of your watch's accuracy. _GRAPHS_ Watch your measurements over time on a beautifully crafted graph. The graph shows how your watch's accuracy changes over time and offers several modes to help you understand its performance. _WHY MEASURE?_ Knowing the accuracy of your watch is interesting on its own, but it also has several practical uses. It can indicate when it is time for a service, and documented accuracy could increase resale value, especially for vintage watches. _STORE DETAILED INFORMATION_ In case of theft or accidents, it will always help to have your information stored in a secure place. _ATOMIC CLOCK, DARK MODE AND MUCH MORE!_ Clockwork includes an atomic clock in both digital and analog formats to help you set your watch as precisely as possible. Powerful settings such as Dark or Light mode, separate day and date formats, and different ways to sort your watches let you customize the app to your liking. // Appfred AS © 2026
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | régulateur | Clockwork |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (12 ratings) — better | 4.4 (24 ratings) |
| Positive reviews | 75.0% of reviews — better | 42.9% of reviews |
| Number of ratings | 12 | 24 — better |
| Update frequency | Every 11 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 1 MB | 242 MB |
| Age rating | 4+ | 4+ |
| Developer | Eric Kunz | Appfred AS |
Customer experience
régulateur
Clockwork
In-app purchases
régulateur
No in-app purchases
Clockwork
- Clockwork Premium$5.99
