Astrodate vs régulateur
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Astrodate
This app provides the current date and time in multiple specialized formats, including Julian Date, Modified Julian Date, and Truncated Julian Date. It also offers standard Gregorian ISO 8601 formats, eliminating the need for manual calculations. Ideal for astronomers and those requiring precise timekeeping across various systems.
- Julian Date conversion
- Modified Julian Date
- Truncated Julian Date
- Dublin Julian Date
- Gregorian ISO 8601 format
- Astronomical date calculations
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Astrodate provides the current date and time in Julian Date, Modified Julian Date, Truncated Julian Date, and Dublin Julian Date as well as normal Gregorian ISO 8601 numeric date time formats. This is particularly useful for astronomers and others who need these various date formats, and don't want to do the calculations.
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.
Screenshots
Verdict
The clearest difference is price: régulateur at Free against Astrodate's $0.99. régulateur also leads on rating (4.6 vs 1.0) and ratings volume (12 vs 1). On update cadence, ads, in-app purchases and device support 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
régulateur is free to download; Astrodate costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
régulateur holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: régulateur has 12 ratings behind it against 1, so its average is the more settled of the two.
Astrodate ships an update every 12 months, régulateur every 11 months. The most recent releases landed on September 10, 2026 and June 4, 2026 respectively.
| Parameter | Astrodate | régulateur |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) | 4.6 (12 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | 1 | 12 — better |
| Update frequency | Every 12 months | Every 11 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Flying Titans, Inc. | Eric Kunz |
Customer experience
Astrodate
régulateur
In-app purchases
Astrodate
No in-app purchases
régulateur
No in-app purchases
