Comparison

Calendar Clock vs Binary Clock by jhale.dev

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

Head to head
About

Calendar Clock

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

Highlights
  • All-in-one screen display
  • Year, month, week, day, hour, minute, second
  • Switchable theme colors (dark, light, green, blue)
  • Disables device sleep mode
  • Acts as a desk clock
Features
Read full description

Time and date, beautifully together. Calendar Clock is a simple, elegant time-and-calendar app designed for iPhone and iPad. See the current time and the entire month at a glance, with a clean interface that stays out of your way. Features * Large digital clock — View the current system time clearly and instantly. * 24-hour or 12-hour format — Swipe across the clock to switch between 24-hour and AM/PM formats. * Monthly calendar — See the full month with the current year and month displayed above it. * Swipe through months — Swipe left or right on the calendar to move between months. * Today at a glance — Today's date is highlighted with a red circle. * Weekend highlighting — Saturdays and Sundays are displayed in red. * Multiple themes — Swipe up or down to change the screen theme. * Remembers your preferences — Your selected clock format and theme are preserved. * iPhone & iPad — Designed for both iPhone and iPad. Simple by design No complicated menus. No unnecessary controls. Just the time and the calendar, exactly when you need them. Calendar Clock — See time. See your day. Note that this application disables your device's sleep mode while running, so make sure you have enough battery life. *Important notice: Use the information recoded or functionality provided in / or generated with this application only as a rough indication, rough estimates or as a rough guide. Even though we do our best to provide you with confirmed information and tried-and-tested features, the accuracy and successful operation and performance of the application are NOT GUARANTEED by us. Users are strongly advised to confirm the information of their interest with other sources and not to ultimately rely on functionality and performance of this application. This application is provided “as is” and with all faults. You bear the risk of using it. We shall not be responsible or liable for any loss or damage of any kind incurred as a result of the use of functions or the content of this application. By using this application you are agreeing to these terms. If you do not agree to these terms do not use this application.

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.

Screenshots

Calendar Clock4 screens
Binary Clock by jhale.dev4 screens

Verdict

The call

The clearest difference is review sentiment: Binary Clock by jhale.dev at 100% against Calendar Clock's 0%. Binary Clock by jhale.dev also leads on price (Free vs $0.99) and update cadence (every 4 months vs every 41 months). On ads, in-app purchases 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

Binary Clock by jhale.dev is free to download; Calendar Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Calendar Clock ships an update every 41 months, Binary Clock by jhale.dev every 4 months. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Calendar Clock versus Binary Clock by jhale.dev: the parameters behind the verdict, then further details
ParameterCalendar ClockBinary Clock by jhale.dev
Price$0.99Free — better
Rating—4.5 (2 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings—2 — better
Update frequencyEvery 41 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.515.1 — better
Further details — not scored
Size4 MB12 MB
Age rating4+4+
DeveloperSystemiko Inc.Joseph Hale

Customer experience

Calendar Clock

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Binary Clock by jhale.dev

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calendar Clock

No in-app purchases

None

Binary Clock by jhale.dev

No in-app purchases

Questions

Is Calendar Clock free?
Calendar Clock costs $0.99, with no in-app purchases.
Is Binary Clock by jhale.dev free?
Binary Clock by jhale.dev is free to download, with no in-app purchases.
Do Calendar Clock or Binary Clock by jhale.dev have ads?
Neither Calendar Clock nor Binary Clock by jhale.dev shows ads.
Which is updated more often, Calendar Clock or Binary Clock by jhale.dev?
Calendar Clock ships an update every 41 months, and Binary Clock by jhale.dev every 4 months. Most recently, Calendar Clock was updated on September 30, 2026 and Binary Clock by jhale.dev on September 21, 2026.

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