# 森川空のルール vs ユウレイと恋する１００日間

The clearest difference is in-app purchases: 森川空のルール at none against ユウレイと恋する１００日間's 7. 森川空のルール also leads on ads (none vs shown) and iOS requirement (6 vs 13.0). ユウレイと恋する１００日間's advantage is update cadence (every 9 days vs every 20 months). On price and device support there is nothing between them.

Both are free to download. ユウレイと恋する１００日間 sells 7 one-off in-app purchases. 森川空のルール asks for nothing beyond the download.

森川空のルール ships an update every 20 months, ユウレイと恋する１００日間 every 9 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 森川空のルール | ユウレイと恋する１００日間 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 9 days** |
| Size | 50 MB | 1.6 GB |
| Requires iOS | **6** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [超水道](https://appshunter.io/developer/446665339) | [Miura Maki](https://appshunter.io/developer/1244367767) |

## What reviewers say

### 森川空のルール

[App page](https://appshunter.io/ios/app/id446665336)

**Features:** macOS Compatibility

**In-app purchases:** none


### ユウレイと恋する１００日間

[App page](https://appshunter.io/ios/app/id6475673610)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ユウコイしおり４枚 | $0.99 | one-time |
| メッセチケット10枚 | $0.99 | one-time |
| バナー広告削除 | $0.99 | one-time |
| ユウコイダイヤ１００個 | $1.99 | one-time |
| メッセチケット50枚 | $1.99 | one-time |
| 動画広告スキップチケット | $2.99 | one-time |
| 永遠のしおり | $9.99 | one-time |


## Frequently asked questions

### Is 森川空のルール free?

森川空のルール is free to download, with no in-app purchases.

### Is ユウレイと恋する１００日間 free?

ユウレイと恋する１００日間 is free to download, with in-app purchases available.

### Do 森川空のルール or ユウレイと恋する１００日間 have ads?

ユウレイと恋する１００日間 shows ads; 森川空のルール does not.

### Which is updated more often, 森川空のルール or ユウレイと恋する１００日間?

森川空のルール ships an update every 20 months, and ユウレイと恋する１００日間 every 9 days. Most recently, 森川空のルール was updated on October 5, 2026 and ユウレイと恋する１００日間 on October 11, 2026.

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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.*