# World Clock vs Moon Clock

The clearest difference is iOS requirement: World Clock at 15.1 against Moon Clock's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. World Clock sells 1 one-off in-app purchase and Moon Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

World Clock ships an update every 5 weeks, Moon Clock every 6 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | World Clock | Moon Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Size | 41 MB | 78 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tomash Sugint](https://appshunter.io/developer/1896504334) | [YI-WEN CHOU](https://appshunter.io/developer/6799608432) |

## What reviewers say

### World Clock

[App page](https://appshunter.io/ios/app/world-clock-timeshift/id6768507524)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TimeShift Pro | $3.99 | one-time |


### Moon Clock

[App page](https://appshunter.io/ios/app/moon-clock-phases-and-widgets/id6799608430)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moon Clock Pro | $5.99 | one-time |


## Frequently asked questions

### Is World Clock free?

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

### Is Moon Clock free?

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

### Do World Clock or Moon Clock have ads?

Neither World Clock nor Moon Clock shows ads.

### Which is updated more often, World Clock or Moon Clock?

World Clock ships an update every 5 weeks, and Moon Clock every 6 weeks. Most recently, World Clock was updated on October 28, 2026 and Moon Clock on October 24, 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.*