# s＊単位変換 vs Unit Conveyor

The clearest difference is ads: s＊単位変換 at none against Unit Conveyor's shown. Unit Conveyor's advantage is iOS requirement (16.4 vs 18.6). 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 | s＊単位変換 | Unit Conveyor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | — |
| Size | 1 MB | 32 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Seigo Mizouchi](https://appshunter.io/developer/1880010064) | [Yoshihide Maehama](https://appshunter.io/developer/6801839177) |

## What reviewers say

### s＊単位変換

[App page](https://appshunter.io/ios/app/s/id6759642495)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Conveyor

[App page](https://appshunter.io/ios/app/unit-conveyor/id6805896024)

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

**In-app purchases:** none


## Frequently asked questions

### Is s＊単位変換 free?

s＊単位変換 is free to download, with no in-app purchases.

### Is Unit Conveyor free?

Unit Conveyor is free to download, with no in-app purchases.

### Do s＊単位変換 or Unit Conveyor have ads?

Unit Conveyor shows ads; s＊単位変換 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.*