# Emerald Chronometer vs World Clock Pro

The clearest difference is in-app purchases: Emerald Chronometer at none against World Clock Pro's 6. Emerald Chronometer also leads on review sentiment (97% vs 77%). World Clock Pro's advantage is update cadence (every 2 months vs every 22 months) and ratings volume (1.3K vs 105). On price, rating and device support there is nothing between them.

Both are free to download. World Clock Pro sells 5 in-app purchases, starting at $1.99 per month. Emerald Chronometer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Emerald Chronometer against 4.8 for World Clock Pro. That said, the two scores are not equally well evidenced: World Clock Pro has 1.3K ratings behind it against 105, so its average is the more settled of the two. Written reviews are what separate them: 97% of Emerald Chronometer's written reviews are positive against 77% of World Clock Pro's.

Emerald Chronometer ships an update every 22 months, World Clock Pro every 2 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Emerald Chronometer | World Clock Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (105 ratings)](https://appshunter.io/ios/app/emerald-chronometer/id284953670/reviews)** | [4.8 (1.3K ratings)](https://appshunter.io/ios/app/world-clock-pro-convert-time/id969635117/reviews) |
| Number of ratings | 105 | **1.3K** |
| Positive reviews | **96.8% of reviews** | 76.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 22 months | **Every 2 months** |
| Monetization | **Paid** | Subscription |
| Size | 311 MB | 41 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scapa Flow, LLC](https://appshunter.io/developer/635350184) | [Alex Komarov Inc.](https://appshunter.io/developer/364741805) |

## What reviewers say

### Emerald Chronometer

[App page](https://appshunter.io/ios/app/emerald-chronometer/id284953670)

Experience highly detailed mechanical watch faces with advanced astronomical and clock complications. Track celestial events, manage time with precision, and explore historical and future dates with interactive displays. Optimized for iPhone and iPod touch.

**Highlights:** Accurate astronomical data (4000 BCE - 2800 CE), Sun, Moon, and planet rise/set times, Mechanical display of Moon phases, Precise local and UTC time, Chronograph with split timer, World-time and calendar watches, Interactive time-travel simulation

**In-app purchases:** none


### World Clock Pro

[App page](https://appshunter.io/ios/app/world-clock-pro-convert-time/id969635117)

Easily track and convert time across multiple global time zones. Schedule events, share accurate times instantly, and access a vast database of cities and time zones. Ideal for international communication and planning.

**Highlights:** Universal clock access, Effortless time conversion, Schedule calendar events, Instant time sharing, Large city and timezone database, Automatic timezone updates

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $1.99 | per month |
| 1 month | $2.99 | per month |
| 1 year | $9.99 | per year |
| 1 year | $11.99 | per year |
| 1 year | $19.99 | per year |

**What reviewers like**

- 🚀 Elegant and intuitive interface
- 🔍 Excellent visualization of multiple time zones
- ⏱ Seamless time shifting
- 🌍 Convenient for international teams and travelers
- 📆 Helpful for scheduling across time zones

**What reviewers complain about**

- 🐛 Widget issues and lack of functionality
- 🖥 Lack of iPad and landscape mode support
- 🔧 Concerns about app updates and feature removals
- 💰 Complaints about subscription model and pricing

**Reported bugs**

- Widget not working on iOS 14 and newer
- Issues with local time zone detection and display
- Inconsistent behavior after app updates

**Requested features**

- Add date function for future time zone changes
- Ability to customize and sort displayed time zones
- Implement an Apple Watch app
- Improve widget functionality and customization


## Frequently asked questions

### Is Emerald Chronometer free?

Emerald Chronometer is free to download, with no in-app purchases.

### Is World Clock Pro free?

World Clock Pro is free to download, with in-app purchases available.

### Which has better reviews, Emerald Chronometer or World Clock Pro?

Emerald Chronometer is rated higher. Emerald Chronometer averages 4.9 out of 5 from 105 ratings, while World Clock Pro averages 4.8 from 1.3K ratings.

### Which is updated more often, Emerald Chronometer or World Clock Pro?

Emerald Chronometer ships an update every 22 months, and World Clock Pro every 2 months. Most recently, Emerald Chronometer was updated on October 6, 2026 and World Clock Pro on October 11, 2026.

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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.*