# Desktop Astro Clock vs Starlight Clock

The clearest difference is in-app purchases: Desktop Astro Clock at none against Starlight Clock's 1. Desktop Astro Clock also leads on ads (none vs shown). Starlight Clock's advantage is update cadence (every 3 months vs every 9 months) and iOS requirement (14.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Starlight Clock sells 1 one-off in-app purchase. Desktop Astro Clock asks for nothing beyond the download.

Desktop Astro Clock ships an update every 9 months, Starlight Clock every 3 months. The most recent releases landed on June 5, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | Desktop Astro Clock | Starlight Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/desktop-astro-clock/id1588806370/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 416 MB | 14 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BEHR Consulting International](https://appshunter.io/developer/385816833) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### 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


### Starlight Clock

[App page](https://appshunter.io/ios/app/starlight-clock/id6470951164)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starlight Clock with no ads | $2.99 | one-time |


## Frequently asked questions

### Is Desktop Astro Clock free?

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

### Is Starlight Clock free?

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

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

Starlight Clock shows ads; Desktop Astro Clock does not.

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

Desktop Astro Clock ships an update every 9 months, and Starlight Clock every 3 months. Most recently, Desktop Astro Clock was updated on June 5, 2026 and Starlight Clock on July 28, 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.*