Comparison

Desktop Astro Clock vs Silly Caps

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

Head to head
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*

About

Silly Caps

Quickly convert your typed text or clipboard content into various fun and sarcastic styles. Easily copy the transformed text and use it in your messages or social media posts.

Highlights
  • Alternating text conversion
  • Sarcastic text styles
  • Clipboard import
  • Clipboard export
  • Multiple text styles
Features
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Whether you were looking to write a sarcastic response to someone or just write in silly styled text, you can quickly transform your text into various styles. Just start typing or import something from your clipboard (even shared from your Mac), choose a style then send it back to the clipboard and use it.

Screenshots

Desktop Astro Clock4 screens
Silly Caps3 screens

Verdict

The call

The clearest difference is rating: Silly Caps at 5.0 against Desktop Astro Clock's 3.7. Desktop Astro Clock's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price, ratings volume, update cadence and ads 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. Silly Caps sells 2 one-off in-app purchases. Desktop Astro Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Silly Caps holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

Desktop Astro Clock ships an update every 9 months, Silly Caps every 11 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 5 level
Desktop Astro Clock versus Silly Caps: the parameters behind the verdict, then further details
ParameterDesktop Astro ClockSilly Caps
PriceFreeFree
Rating3.7 (3 ratings)5.0 (2 ratings) — better
Number of ratings3 — better2
Update frequencyEvery 9 months — betterEvery 11 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.0 — better18.6
Further details — not scored
Size416 MB9 MB
Age rating4+4+
DeveloperBEHR Consulting InternationalMichael Hodges

Customer experience

Desktop Astro Clock

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

Silly Caps

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Desktop Astro Clock

No in-app purchases

2 purchases

Silly Caps

One-time2
  • Buy Me a Small Coffee$0.99
  • Buy Me a Large Coffee$2.99

Questions

Is Desktop Astro Clock free?
Desktop Astro Clock is free to download, with no in-app purchases.
Is Silly Caps free?
Silly Caps is free to download, with in-app purchases available.
Which has better reviews, Desktop Astro Clock or Silly Caps?
Silly Caps is rated higher. Desktop Astro Clock averages 3.7 out of 5 from 3 ratings, while Silly Caps averages 5.0 from 2 ratings.
Do Desktop Astro Clock or Silly Caps have ads?
Neither Desktop Astro Clock nor Silly Caps shows ads.
Which is updated more often, Desktop Astro Clock or Silly Caps?
Desktop Astro Clock ships an update every 9 months, and Silly Caps every 11 months. Most recently, Desktop Astro Clock was updated on October 6, 2026 and Silly Caps on October 7, 2026.

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