# Julian Clock vs Desktop Astro Clock

The clearest difference is price: Desktop Astro Clock at Free against Julian Clock's $0.99. Desktop Astro Clock also leads on update cadence (every 9 months vs every 69 months). Julian Clock's advantage is rating (4.9 vs 3.7) and chart position (#110 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Desktop Astro Clock is free to download; Julian Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Julian Clock holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: Julian Clock has 15 ratings behind it against 3, so its average is the more settled of the two.

Julian Clock ships an update every 69 months, Desktop Astro Clock every 9 months. The most recent releases landed on September 21, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Julian Clock | Desktop Astro Clock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.9 (15 ratings)](https://appshunter.io/ios/app/julian-clock/id959214765/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/desktop-astro-clock/id1588806370/reviews) |
| Number of ratings | **15** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 69 months | **Every 9 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#110** | — |
| Size | 4 MB | 416 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Adam Allard](https://appshunter.io/developer/959214764) | [BEHR Consulting International](https://appshunter.io/developer/385816833) |

## What reviewers say

### Julian Clock

[App page](https://appshunter.io/ios/app/julian-clock/id959214765)

**Currently charting:** #110 Top Paid · Utilities (US App Store)

This utility app displays the current Julian Date, time with seconds, military date format, day of the week, and Zulu time (GMT). It's designed for quick access to essential timekeeping information.

**Highlights:** Julian Date display, Real-time clock with seconds, Military date format, Day of the week, ZULU time (GMT)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Desktop Astro Clock

[App page](https://appshunter.io/ios/app/desktop-astro-clock/id1588806370)

This utility app displays time in various formats, including Julian, Sidereal, and GMT. It offers always-on display options, moon and meteor shower information, and customizable clock configurations. Widgets and a watchOS app are also supported for enhanced functionality.

**Highlights:** Multiple time formats (Julian, Sidereal, GMT), Always-on display with battery threshold, Moon phase and meteor shower information, Customizable display configurations, Widget support, WatchOS app with specialized displays

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Julian Clock free?

Julian Clock costs $0.99, with no in-app purchases.

### Is Desktop Astro Clock free?

Desktop Astro Clock is free to download, with no in-app purchases.

### Which has better reviews, Julian Clock or Desktop Astro Clock?

Julian Clock is rated higher. Julian Clock averages 4.9 out of 5 from 15 ratings, while Desktop Astro Clock averages 3.7 from 3 ratings.

### Do Julian Clock or Desktop Astro Clock have ads?

Neither Julian Clock nor Desktop Astro Clock shows ads.

### Which is updated more often, Julian Clock or Desktop Astro Clock?

Julian Clock ships an update every 69 months, and Desktop Astro Clock every 9 months. Most recently, Julian Clock was updated on September 21, 2026 and Desktop Astro Clock on June 5, 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.*