Comparison

Julian Clock vs Julian

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

Head to head
About

Julian Clock

This utility app displays the current Julian Date, time with seconds, military date format, day of the week, and Zulu time (GMT). It's designed for quick access to essential timekeeping information.

Highlights
  • Julian Date display
  • Real-time clock with seconds
  • Military date format
  • Day of the week
  • ZULU time (GMT)
Features
Currently charting
Read full description

It's as simple as it gets, a Julian date and clock app built for people who need the numbers fast. Julian Clock shows everything you need at a glance: • Julian date (YJJJ or YYDDD, your choice in Settings) • Local time with running seconds • Date in military format (e.g. 19JUN26) • Day of the week • Zulu time (GMT) New in version 2 • Home Screen widgets — small and medium layouts with Julian date, Zulu, and military date • Lock Screen widgets — circular, rectangular, and inline at-a-glance views • Apple Watch app — Julian date and Zulu on your wrist, plus complications • iPad support — universal layout for desk and EFB use • Historical lookup — pick any date on the calendar to get its Julian day • Eight themes — Navy, Air Force, Army, Marines, Coast Guard, Space Force, Dark, and Light Widgets and the Watch app stay in sync with your format and theme choices. This app is for military and DOD personnel who constantly need a quick look at the Julian date and/or Zulu time, on the phone, on the lock screen, on the watch, or on an iPad beside the job.

About

Julian

This app provides a quick and efficient way to view and convert between 11 different types of dates, including standard Julian dates, Mars Sol dates, and Unix time. It features a calendar for easy navigation and allows copying dates to the clipboard. The current date can be displayed on the app icon and Apple Watch complications.

Highlights
  • 11 date type conversions
  • Calendar view
  • Copy to clipboard
  • App icon badge display
  • Apple Watch complications
Features
Read full description

Julian makes it simple to find any day of the year, convert dates, and understand your year at a glance on iPhone, iPad, and Apple Watch. Browse the calendar to explore past and future dates, or enter a day number to jump straight to the matching date. Choose the date format you prefer and instantly see the day of the year, year progress, days remaining, week number, and current quarter. Convert between calendar dates, ordinal dates, ISO 8601 dates, ISO week dates, Julian calendar dates, Julian Day Numbers, and Unix timestamps. Add or subtract days, weeks, months, or years, or calculate the exact time between two dates. Julian supports a wide range of astronomical and time counting systems, including CCSDS Julian Date, CNES Julian Date, Dublin Julian Date, Lilian Date, Mars Sol Date, Modified Julian Date, Rata Die, Reduced Julian Date, Truncated Julian Date, and Unix Time. Copy any date value with a tap, or copy and share a complete date summary. Save your favorite formats for fast access whenever you need them. Keep important date information visible with Home Screen and Lock Screen widgets. Customize their layout, colors, and content. Larger widgets can show additional date values and calendar views without opening the app. On Apple Watch, quickly view yesterday, today, and tomorrow, look up any day of the year, and choose complications that match your watch face. Use Siri to retrieve date values and check your year progress. Add Julian actions to Shortcuts to convert dates, perform calculations, copy results, and open detailed date information. Personalize Julian with seven color themes, alternate app icons, and System, Light, or Dark appearance. Set your preferred first day of the week and choose which month begins your first quarter. For an instant glance, enable the optional app icon badge to show the current day of the year. Badge updates are silent and do not create banners or sounds. Notification permission is required.

Screenshots

Julian Clock4 screens
Julian4 screens

Verdict

The call

The clearest difference is price: Julian at Free against Julian Clock's $0.99. Julian also leads on update cadence (every 2 months vs every 69 months) and ratings volume (4.6K vs 15). Julian Clock's advantage is in-app purchases (none vs 3) and review sentiment (100% vs 65%). On rating, ads, 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

Julian is free to download; Julian Clock costs $0.99 up front. Julian sells 3 one-off in-app purchases. Julian Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Julian Clock against 4.8 for Julian. That said, the two scores are not equally well evidenced: Julian has 4.6K ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 100% of Julian Clock's written reviews are positive against 65% of Julian's.

UpkeepUpdate frequency

Julian Clock ships an update every 69 months, Julian every 2 months. The most recent releases landed on September 21, 2026 and September 28, 2026 respectively.

Scorecard7 real differences · 4 level
Julian Clock versus Julian: the parameters behind the verdict, then further details
ParameterJulian ClockJulian
Price$0.99Free — better
Rating4.9 (15 ratings) — better4.8 (4.6K ratings)
Positive reviews100.0% of reviews — better65.4% of reviews
Number of ratings154.6K — better
Update frequencyEvery 69 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#122 — better—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Apple Watch
Requires iOS17.017.0
Further details — not scored
Size4 MB17 MB
Age rating4+4+
DeveloperAdam AllardJuan Carlos Perez

Customer experience

Julian Clock

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Julian

All ratings4,642 ratings
Positive95.3%
Neutral2.6%
Negative2.0%
Written reviews81 reviews
Positive65.4%
Neutral18.5%
Negative16.0%

Bugs and requests

Julian Clock

Not enough reviews yet to summarise bugs or requests.

Julian

Reported bugs

3 issues
  • Complication not updating correctly on Apple Watch
  • Date displayed incorrectly, one day behind
  • App not functioning properly after updates

Requested features

4 requests
  • Display current date along with Julian date
  • Add countdown/days remaining functionality
  • Display week number
  • Show Julian date on app icon

In-app purchases

None

Julian Clock

No in-app purchases

3 purchases

Julian

One-time3
  • Short Cup$0.99
  • Tall Cup$1.99
  • Grande Cup$2.99

Questions

Is Julian Clock free?
Julian Clock costs $0.99, with no in-app purchases.
Is Julian free?
Julian is free to download, with in-app purchases available.
Which has better reviews, Julian Clock or Julian?
Julian Clock is rated higher. Julian Clock averages 4.9 out of 5 from 15 ratings, while Julian averages 4.8 from 4.6K ratings.
Do Julian Clock or Julian have ads?
Neither Julian Clock nor Julian shows ads.
Which is updated more often, Julian Clock or Julian?
Julian Clock ships an update every 69 months, and Julian every 2 months. Most recently, Julian Clock was updated on September 21, 2026 and Julian on September 28, 2026.

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