# カテゴリーI vs あの日、誰がいた

The clearest difference is in-app purchases: あの日、誰がいた at none against カテゴリーI's 1. カテゴリーI's advantage is iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. カテゴリーI sells 1 one-off in-app purchase. あの日、誰がいた asks for nothing beyond the download.

## The numbers

| Metric | カテゴリーI | あの日、誰がいた |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 561 MB | 86 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [株式会社オレンジ](https://appshunter.io/developer/973453853) | [HIDEKI TAMAI](https://appshunter.io/developer/6782431323) |

## What reviewers say

### カテゴリーI

[App page](https://appshunter.io/ios/app/i/id1671193927)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全ストーリー | $3.99 | one-time |


### あの日、誰がいた

[App page](https://appshunter.io/ios/app/id6799921411)

**In-app purchases:** none


## Frequently asked questions

### Is カテゴリーI free?

カテゴリーI is free to download, with in-app purchases available.

### Is あの日、誰がいた free?

あの日、誰がいた is free to download, with no in-app purchases.

### Do カテゴリーI or あの日、誰がいた have ads?

Neither カテゴリーI nor あの日、誰がいた shows 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.*