Comparison

Julian Clock vs Sweep & Zone

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

Sweep & Zone

This utility app helps field artillery personnel calculate firing data quickly and accurately. It reduces human error by computing changes in mils, deflections, and quadrants, allowing users to focus on critical tasks during high-stress situations.

Highlights
  • Fast and accurate firing data computation
  • Reduces human error under stress
  • Input changes in mils, deflections, and quadrants
  • Calculates base deflection and quadrant
  • Unlimited access with subscription
Features
Read full description

Let the Sweep and Zone calculator assist you in delivering fast, safe and accurate fires by reducing human errors in times of stress. This application allows you to input the changes in mils, number of deflections/quadrants that you'd like to shoot as well as your base deflection and quadrant. It'll accurately compute the required data in record time allowing you to focus on what matters most.  There is a paid subscription included in the app after 13 free uses of calculator/quizzes. For $.99/ month or $9.99/ year, you’ll have unlimited access to the Sweep & Zone calculator and all it’s future updates. Download today and feel free to leave feedback on improvements. Utility Forces LLC and it's affiliates are not responsible for any firing incidents that may occur while using the Sweep & Zone Calculator. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Julian Clock4 screens
Sweep & Zone4 screens

Verdict

The call

The clearest difference is price: Sweep & Zone at Free against Julian Clock's $0.99. Sweep & Zone also leads on update cadence (every 5 weeks vs every 69 months). Julian Clock's advantage is in-app purchases (none vs 2) and chart position (#158 vs unranked). On rating, review sentiment, ratings volume 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

Sweep & Zone is free to download; Julian Clock costs $0.99 up front. Sweep & Zone sells 2 in-app purchases, starting at $0.99 per month. 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 4.9 for Sweep & Zone. Both are backed by a comparable volume of ratings — 15 and 22 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Julian Clock ships an update every 69 months, Sweep & Zone every 5 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 6 level
Julian Clock versus Sweep & Zone: the parameters behind the verdict, then further details
ParameterJulian ClockSweep & Zone
Price$0.99Free — better
Rating4.9 (15 ratings) — better4.9 (22 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1522 — better
Update frequencyEvery 69 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
Best chart rank#158 — better—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size4 MB4 MB
Age rating4+4+
DeveloperAdam AllardUtility Forces LLC

Customer experience

Julian Clock

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

Sweep & Zone

All ratings22 ratings
Positive95.5%
Neutral4.5%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Julian Clock

No in-app purchases

2 purchases

Sweep & Zone

Subscriptions2
  • Unlimited Monthly$0.991 Month
  • Unlimited Yearly$9.991 Year

Questions

Is Julian Clock free?
Julian Clock costs $0.99, with no in-app purchases.
Is Sweep & Zone free?
Sweep & Zone is free to download, with in-app purchases available.
Which has better reviews, Julian Clock or Sweep & Zone?
Julian Clock is rated higher. Julian Clock averages 4.9 out of 5 from 15 ratings, while Sweep & Zone averages 4.9 from 22 ratings.
Do Julian Clock or Sweep & Zone have ads?
Neither Julian Clock nor Sweep & Zone shows ads.
Which is updated more often, Julian Clock or Sweep & Zone?
Julian Clock ships an update every 69 months, and Sweep & Zone every 5 weeks. Most recently, Julian Clock was updated on October 26, 2026 and Sweep & Zone on October 24, 2026.

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