Astrodate vs Circle Moving Clock
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.
Circle Moving Clock
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A complete new way to read the date and time. Like planets, month, day, hour, minute and second are moving around the central year. Amazing! Customize your Circle Moving Clock: choosing colors for the circles, adding connections lines, circle lines or circle bands. Selecting Nightview will automatically put the screen in dark between sunset and sunrise. Also you can select that your device will not go to sleep when the Circle Moving Clock is visible. Enjoy this new, amazing and innovative way to read date and time!
Screenshots
Verdict
The clearest difference is update cadence: Astrodate at every 12 months against Circle Moving Clock's every 28 months. Circle Moving Clock's advantage is iOS requirement (16.6 vs 18.0). On price, 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
Astrodate costs $0.99 and Circle Moving Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Astrodate ships an update every 12 months, Circle Moving Clock every 28 months. The most recent releases landed on September 10, 2026 and December 24, 2025 respectively.
| Parameter | Astrodate | Circle Moving Clock |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 12 months — better | Every 28 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Flying Titans, Inc. | Dietmar Herbert Schwarz Webers |
In-app purchases
Astrodate
No in-app purchases
Circle Moving Clock
No in-app purchases
Questions
Is Astrodate free?
Is Circle Moving Clock free?
Do Astrodate or Circle Moving Clock have ads?
Which is updated more often, Astrodate or Circle Moving Clock?
Other comparisons
