# ZERO【RUSH/岡野/裏横２階】 vs Mr.OLDMAN

The clearest difference is device support: ZERO【RUSH/岡野/裏横２階】 at 2 against Mr.OLDMAN's —. ZERO【RUSH/岡野/裏横２階】 also leads on iOS requirement (12.0 vs 14.0). 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 | ZERO【RUSH/岡野/裏横２階】 | Mr.OLDMAN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 9 months | — |
| Size | 85 MB | 61 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [ZERO Co., Ltd. (YOKOHAMA)](https://appshunter.io/developer/1606286901) | [BLUE, Co., Ltd.](https://appshunter.io/developer/1746653593) |

## What reviewers say

### ZERO【RUSH/岡野/裏横２階】

[App page](https://appshunter.io/ios/app/zerorush/id6478095668)

**In-app purchases:** none


### Mr.OLDMAN

[App page](https://appshunter.io/ios/app/mroldman/id6502746590)

**In-app purchases:** none


## Frequently asked questions

### Is ZERO【RUSH/岡野/裏横２階】 free?

ZERO【RUSH/岡野/裏横２階】 is free to download, with no in-app purchases.

### Is Mr.OLDMAN free?

Mr.OLDMAN 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.*