# 古屋アプリ vs 4cm（ヨンセンチ）

The clearest difference is iOS requirement: 古屋アプリ at 11.0 against 4cm（ヨンセンチ）'s 13.0. On price, update cadence, ads 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.

古屋アプリ ships an update every 56 months, 4cm（ヨンセンチ） every 38 months. The most recent releases landed on October 5, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 古屋アプリ | 4cm（ヨンセンチ） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 38 months** |
| Size | 21 MB | 3 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社古屋産業](https://appshunter.io/developer/1607249199) | [shingo kamei](https://appshunter.io/developer/1256845824) |

## What reviewers say

### 古屋アプリ

[App page](https://appshunter.io/ios/app/id1607249197)

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

**In-app purchases:** none


### 4cm（ヨンセンチ）

[App page](https://appshunter.io/ios/app/4cm/id6444125643)

**In-app purchases:** none


## Frequently asked questions

### Is 古屋アプリ free?

古屋アプリ is free to download, with no in-app purchases.

### Is 4cm（ヨンセンチ） free?

4cm（ヨンセンチ） is free to download, with no in-app purchases.

### Do 古屋アプリ or 4cm（ヨンセンチ） have ads?

Neither 古屋アプリ nor 4cm（ヨンセンチ） shows ads.

### Which is updated more often, 古屋アプリ or 4cm（ヨンセンチ）?

古屋アプリ ships an update every 56 months, and 4cm（ヨンセンチ） every 38 months. Most recently, 古屋アプリ was updated on October 5, 2026 and 4cm（ヨンセンチ） on October 27, 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.*