# 世界時計 vs Universal Unit Converter!

The clearest difference is ads: 世界時計 at none against Universal Unit Converter!'s shown. 世界時計 also leads on iOS requirement (13.0 vs 15.0). On price, 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 | 世界時計 | Universal Unit Converter! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 8 days |
| Size | 60 MB | 23 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuhiro Niji](https://appshunter.io/developer/1850410646) | [Taek Oh](https://appshunter.io/developer/1616205954) |

## What reviewers say

### 世界時計

[App page](https://appshunter.io/ios/app/id6754836712)

**Features:** macOS Compatibility

**In-app purchases:** none


### Universal Unit Converter!

[App page](https://appshunter.io/ios/app/universal-unit-converter/id6785926049)

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

**In-app purchases:** none


## Frequently asked questions

### Is 世界時計 free?

世界時計 is free to download, with no in-app purchases.

### Is Universal Unit Converter! free?

Universal Unit Converter! is free to download, with no in-app purchases.

### Do 世界時計 or Universal Unit Converter! have ads?

Universal Unit Converter! shows ads; 世界時計 does not.

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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.*