# Desktop Astro Clock vs SFClock

The clearest difference is rating: SFClock at 4.5 against Desktop Astro Clock's 3.7. On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SFClock holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

Desktop Astro Clock ships an update every 9 months, SFClock every 5 months. The most recent releases landed on June 5, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Desktop Astro Clock | SFClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/desktop-astro-clock/id1588806370/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/sfclock/id1627863783/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 416 MB | 0 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [BEHR Consulting International](https://appshunter.io/developer/385816833) | [Yafei Dong](https://appshunter.io/developer/1562436731) |

## 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


### SFClock

[App page](https://appshunter.io/ios/app/sfclock/id1627863783)

This utility app displays a flip clock and calendar. It offers customizable clock settings like 12/24 hour format and seconds display. Users can navigate the calendar and choose from various light and dark color themes.

**Highlights:** Flip clock display, Calendar view, 12/24 hour format, Seconds display toggle, Calendar month navigation, Color themes, Light/dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Desktop Astro Clock free?

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

### Is SFClock free?

SFClock is free to download, with no in-app purchases.

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

SFClock is rated higher. Desktop Astro Clock averages 3.7 out of 5 from 3 ratings, while SFClock averages 4.5 from 4 ratings.

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

Neither Desktop Astro Clock nor SFClock shows ads.

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

Desktop Astro Clock ships an update every 9 months, and SFClock every 5 months. Most recently, Desktop Astro Clock was updated on June 5, 2026 and SFClock on September 14, 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.*