# Zulu Time vs Julian Clock

The clearest difference is monetization model: Zulu Time at free against Julian Clock's paid. Zulu Time also leads on update cadence (every 3 months vs every 69 months) and ratings volume (2.6K vs 15). Julian Clock's advantage is review sentiment (100% vs 79%). On price, rating, ads and in-app purchases there is nothing between them.

Zulu Time costs $0.99 and Julian Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Zulu Time against 4.9 for Julian Clock. That said, the two scores are not equally well evidenced: Zulu Time has 2.6K ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 79% of Zulu Time's written reviews are positive against 100% of Julian Clock's.

Zulu Time ships an update every 3 months, Julian Clock every 69 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Zulu Time | Julian Clock |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [4.8 (2.6K ratings)](https://appshunter.io/ios/app/zulu-time/id377289826/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/julian-clock/id959214765/reviews)** |
| Number of ratings | **2.6K** | 15 |
| Positive reviews | 78.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 69 months |
| Monetization | **Free** | Paid |
| Best chart rank | #174 | **#145** |
| Size | 16 MB | 4 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Derek Spears](https://appshunter.io/developer/377289829) | [Adam Allard](https://appshunter.io/developer/959214764) |

## What reviewers say

### Zulu Time

[App page](https://appshunter.io/ios/app/zulu-time/id377289826)

**Currently charting:** #174 Top Paid · Utilities (US App Store)

This app displays local and UTC (Zulu) time, along with multiple time zones, on your iPhone, Apple Watch, and iPad. It offers widgets for quick access and features for calculating future or past times with offsets, simplifying timezone conversions for various professions.

**Highlights:** Display local and Zulu (UTC) time, Multiple time zone display, Home and Lock Screen widgets, Apple Watch complications, Future/past time offset calculations, Time zone conversion

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Zulu time on command
- 🔒 Robust security features
- 👍 Easy to read and use
- 👍 Excellent for aviation and radio operators
- 👍 Customizable and syncs correctly

**What reviewers complain about**

- 🐛 Watch complication not updating consistently
- 🐛 Local time not displaying correctly on widget
- 🐛 Complication shows only hours, not full time
- 🐛 Difficulty setting with Daylight Saving Time

**Reported bugs**

- Complication freezes after a few days
- Zulu time loses accuracy over time on Apple Watch
- Widget not updating local time properly

**Requested features**

- Add alarm feature
- Allow landscape mode for bedside clock view
- Provide option for always-on display
- Add time zone map for quick reference
- Show day of year in display


### Julian Clock

[App page](https://appshunter.io/ios/app/julian-clock/id959214765)

**Currently charting:** #145 Top Paid · Utilities (US App Store)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zulu Time free?

Zulu Time costs $0.99, with no in-app purchases.

### Is Julian Clock free?

Julian Clock costs $0.99, with no in-app purchases.

### Which has better reviews, Zulu Time or Julian Clock?

Julian Clock is rated higher. Zulu Time averages 4.8 out of 5 from 2.6K ratings, while Julian Clock averages 4.9 from 15 ratings.

### Do Zulu Time or Julian Clock have ads?

Neither Zulu Time nor Julian Clock shows ads.

### Which is updated more often, Zulu Time or Julian Clock?

Zulu Time ships an update every 3 months, and Julian Clock every 69 months. Most recently, Zulu Time was updated on November 1, 2026 and Julian Clock on November 1, 2026.

### Which is more popular, Zulu Time or Julian Clock?

Zulu Time currently peaks at #174 in the App Store charts, and Julian Clock at #145. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*