Comparison

Minimum Clock vs Desktop Astro Clock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Minimum Clock

This app offers a minimalist digital and analog clock with customizable features. Adjust size, switch between 12/24 hour formats, and select background colors. It includes a time signal with numerous tones and allows for date format changes.

Highlights
  • Digital and analog clock display
  • Adjustable clock size
  • 12/24 hour format switching
  • Customizable background colors
  • Hourly time signal with 78 tones
  • Date format customization
  • Screen rotation
Features
Read full description

A simple, no-frills digital and analog clock. The calm design is ideal for concentrating on study or work! Although simple, it has the minimum necessary functions. The clock face and analog clock can be moved with your finger. By pressing buttons such as "1X" and "2X", you can adjust the size of the letters. The analog clock can also be enlarged or reduced with two fingers. You can also switch between 12-hour and 24-hour displays. Touching a clock character or the analog clock switches to the setting mode. In setting mode, the date can be changed to various formats by touching it. In addition, a time signal can be sounded at 0 minutes of every hour, and there are 78 different tones to choose from. The screen can be rotated horizontally and vertically.  The background color can be selected from 10 different colors. It is also possible to choose between a digital clock and an analog clock.

About

Desktop Astro Clock

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
Read full description

Desktop Astro Clock (formally known as: yabc - Yet Another Bedside Clock). This is a clock app that is designed to be run at the desktop, bedside or near a star map. It will display the time without turning off until the battery percentage drops below a user specified value. There are ten predefined, and one user defined display configurations. A single tap of the moon and star icon will bring up a red tinted clock showing the local sidereal time. In settings, you can add a moon display, meteor showers display, change colors, and configure the user defined clock display. Widgets are now supported and can be configured via Widget editing. A watchOS app is now included that displays a red tinted Modified Julian date, GMT Sidereal time, Moon, Moon name, and moon age in days. No ads, ever. Lock screen widgets include rectangular (two clock values look good here) and circular (for the current moon) Features: - Time display in various fixed formats - Time display in a user defined format + color - Always on display until a user specified battery level is reached (iOS) - Moon display with moon transit details and full moon names *(4)* - Meteor Shower information (when visible) with star chart locator - Blue moons are known by the tag [blue moon] added to the full moon name and a blue tint to the full moon image - Super moons are known by the tag [super] added to the full moon name Clock Times: - GMT - Greenwich Mean Time - GMST - Greenwich Mean Sidereal Time - Julian Date - Seconds since noon 1st January 4713 B.C. - LMST - Local Mean Sidereal Time *(3)* - Modified Julian Date - Julian Date - 2400000.5 Predefined displays: - Desk Clock - Day, Time, Date - ISO 8901 - yyyy-mm-ssThh:mm:ss+tz - ISO 8901 GMT - yyyy-mm-ssThh:mm:ssZ - Greenwich Mean Sidereal Time - 'HH'h 'mm's 'ss' - Julian - day.time in seconds since noon 1st January 4713 B.C. - Local Mean Sidereal Time - 'HH'h 'mm'h *(3)* - System Default - based on your iOS settings - Time HH:MM:SS, Month, Day - Time HH:MM - Time HH:MM:SS, Day, Month, Year - User Defined - you pick the format! Widgets (One or more): - Meteor Showers *(1)* - Moon - Moon with details - Moon Names *(4)* - Julian Date *(2)* - Sidereal Date *(2)* - User Defined Clock *(2)* WatchOS App: - Black background, Red tint, brightness adjustable with crown, shows Mofidied Julian Date, GMT Sideral Time, Moon face, Moon name, and Moon age *(3)* *(4)* - Corner complication shows Moon, Modified Julian and Local Sidereal time Lock screen Widgets: - Rectangular for clock values (i.e.: Julian date and Sidereal time) - Circular for the current moon *(1) If no Meteor shower is in progress, just an image is shown* *(2) Widgets do not support real time non-system clocks well. Updates will typically be between 15-60 minutes* *(3) If you select Local Sidereal Mean Time display, you'll also need to enable the setting to allow access to your location information (only needs your longitude for the calculations). Default will be Greenwich England* *(4) If you select Moon names, you'll also need to enable the settings to allow access to your location information (only need to check latitude > 0 for Northeren/Southeren hemishpere). Default will be at the equator*

Screenshots

Minimum Clock4 screens
Desktop Astro Clock4 screens

Verdict

The call

The clearest difference is rating: Minimum Clock at 4.3 against Desktop Astro Clock's 3.7. Minimum Clock also leads on update cadence (every 3 weeks vs every 9 months) and iOS requirement (12.0 vs 17.0). Desktop Astro Clock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Minimum Clock holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

UpkeepUpdate frequency

Minimum Clock ships an update every 3 weeks, Desktop Astro Clock every 9 months. The most recent releases landed on September 19, 2026 and June 5, 2026 respectively.

Scorecard6 real differences · 4 level
Minimum Clock versus Desktop Astro Clock: the parameters behind the verdict, then further details
ParameterMinimum ClockDesktop Astro Clock
PriceFreeFree
Rating4.3 (3 ratings) — better3.7 (3 ratings)
Positive reviews0.0% of reviews—
Number of ratings33
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS12.0 — better17.0
Further details — not scored
Size15 MB416 MB
Age rating4+4+
DeveloperMihoko ArakiBEHR Consulting International

Customer experience

Minimum Clock

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Desktop Astro Clock

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

Minimum Clock

One-time1
  • Minimum Clock with no ads$1.99
None

Desktop Astro Clock

No in-app purchases

Questions

Is Minimum Clock free?
Minimum Clock is free to download, with in-app purchases available.
Is Desktop Astro Clock free?
Desktop Astro Clock is free to download, with no in-app purchases.
Which has better reviews, Minimum Clock or Desktop Astro Clock?
Minimum Clock is rated higher. Minimum Clock averages 4.3 out of 5 from 3 ratings, while Desktop Astro Clock averages 3.7 from 3 ratings.
Do Minimum Clock or Desktop Astro Clock have ads?
Minimum Clock shows ads; Desktop Astro Clock does not.
Which is updated more often, Minimum Clock or Desktop Astro Clock?
Minimum Clock ships an update every 3 weeks, and Desktop Astro Clock every 9 months. Most recently, Minimum Clock was updated on September 19, 2026 and Desktop Astro Clock on June 5, 2026.

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