# Rusty to Shine 公式アプリ vs ワリカン計算機

The clearest difference is device support: Rusty to Shine 公式アプリ at 3 against ワリカン計算機's —. Rusty to Shine 公式アプリ also leads on iOS requirement (13.0 vs 16.4). On price and in-app purchases 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 | Rusty to Shine 公式アプリ | ワリカン計算機 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 months | — |
| Size | 74 MB | 5 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [TAKEHITO SHIDARA](https://appshunter.io/developer/1545877789) | [Risako Asai](https://appshunter.io/developer/1671273580) |

## What reviewers say

### Rusty to Shine 公式アプリ

[App page](https://appshunter.io/ios/app/rusty-to-shine/id1547720537)

**Features:** macOS Compatibility

**In-app purchases:** none


### ワリカン計算機

[App page](https://appshunter.io/ios/app/id6466736795)

**In-app purchases:** none


## Frequently asked questions

### Is Rusty to Shine 公式アプリ free?

Rusty to Shine 公式アプリ is free to download, with no in-app purchases.

### Is ワリカン計算機 free?

ワリカン計算機 is free to download, with no in-app purchases.

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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.*