# CLK Wrld vs World Clock 世界時鐘

The clearest difference is iOS requirement: World Clock 世界時鐘 at 13.0 against CLK Wrld's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CLK Wrld | World Clock 世界時鐘 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Size | 71 MB | 23 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sumit Zalavadiya](https://appshunter.io/developer/1791692918) | [fung ka wa](https://appshunter.io/developer/6778859454) |

## What reviewers say

### CLK Wrld

[App page](https://appshunter.io/ios/app/clk-wrld/id6740799920)

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

**In-app purchases:** none


### World Clock 世界時鐘

[App page](https://appshunter.io/ios/app/world-clock/id6780769463)

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

**In-app purchases:** none


## Frequently asked questions

### Is CLK Wrld free?

CLK Wrld is free to download, with no in-app purchases.

### Is World Clock 世界時鐘 free?

World Clock 世界時鐘 is free to download, with no in-app purchases.

### Do CLK Wrld or World Clock 世界時鐘 have ads?

Both CLK Wrld and World Clock 世界時鐘 show ads.

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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.*