Comparison

Binary Clock by jhale.dev vs Starlight Clock

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

Head to head
About

Binary Clock by jhale.dev

This utility displays time using binary code, representing numbers with illuminated dots. It offers personalization options and includes instructions for reading the binary time format. The application is open-source.

Highlights
  • Binary time display
  • Customizable settings
  • Instructions for binary time
  • Open-source code
  • Personalization options
Features
Read full description

Instead of the digits 1, 2, 3, etc... this clock uses columns of dots that turn on and off like the 1s and 0s of the binary form of the number. Binary Clock also includes several settings you can use to personalize the clock to your liking. Just press and hold the clock to access them. If you don't know how to tell time on a Binary Clock, check out the instructions in the blog post announcing the app: https://links.jhale.dev/binaryclock Binary Clock is open-source! Check out the code yourself on GitHub: https://github.com/thehale/BinaryClock DISCLAIMER: All marketing pictures in this app store listing are designed to complement the nerdy theme of this app. The presence of various books in some marketing pictures in this app store listing does not imply an endorsement of this app by the authors of those publications. Those authors retain copyright and trademark rights to their works.

About

Starlight Clock

Features
Read full description

This is a digital and analog clock application with a starry sky motif. The constellation changes every hour. You can also set events in which locomotives appear at 10, 15, 20, 30, and 60 minute intervals. Sometimes shooting stars also stream. ***** The time text, analog clock, and constellations can be moved with the fingers. The analog clock and constellations can be zoomed in and out with two fingers. Seconds can also be displayed. Touching the time character switches to setting mode. The date and time can be changed to various formats by touching it in the setting mode. The display can be switched between 12-hour and 24-hour formats. Screen rotation in portrait and landscape orientation is also supported. By pressing buttons such as "2X" and "3X," the font size can be adjusted in steps. You can choose from 24 different constellations. The order of the constellations can be set to change randomly as well as in a predetermined order. The time signal can be set to one of 79 different tones.

Screenshots

Binary Clock by jhale.dev4 screens
Starlight Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Binary Clock by jhale.dev at none against Starlight Clock's 1. Binary Clock by jhale.dev also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Starlight Clock sells 1 one-off in-app purchase. Binary Clock by jhale.dev asks for nothing beyond the download.

UpkeepUpdate frequency

Binary Clock by jhale.dev ships an update every 4 months, Starlight Clock every 3 months. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
Binary Clock by jhale.dev versus Starlight Clock: the parameters behind the verdict, then further details
ParameterBinary Clock by jhale.devStarlight Clock
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.114.0 — better
Further details — not scored
Size12 MB14 MB
Age rating4+4+
DeveloperJoseph HaleMihoko Araki

In-app purchases

None

Binary Clock by jhale.dev

No in-app purchases

1 purchases

Starlight Clock

One-time1
  • Starlight Clock with no ads$2.99

Questions

Is Binary Clock by jhale.dev free?
Binary Clock by jhale.dev 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 Binary Clock by jhale.dev or Starlight Clock have ads?
Starlight Clock shows ads; Binary Clock by jhale.dev does not.
Which is updated more often, Binary Clock by jhale.dev or Starlight Clock?
Binary Clock by jhale.dev ships an update every 4 months, and Starlight Clock every 3 months. Most recently, Binary Clock by jhale.dev was updated on October 24, 2026 and Starlight Clock on October 24, 2026.

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