# 市川石油PASSPORT vs 4cm（ヨンセンチ）

The clearest difference is ads: 4cm（ヨンセンチ） at none against 市川石油PASSPORT's shown. 市川石油PASSPORT's advantage is update cadence (every 15 months vs every 38 months) and iOS requirement (11.0 vs 13.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

市川石油PASSPORT ships an update every 15 months, 4cm（ヨンセンチ） every 38 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 市川石油PASSPORT | 4cm（ヨンセンチ） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 15 months** | Every 38 months |
| Size | 3 MB | 3 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ICHIKAWA SEKIYU CO.,LTD.](https://appshunter.io/developer/1622003032) | [shingo kamei](https://appshunter.io/developer/1256845824) |

## What reviewers say

### 市川石油PASSPORT

[App page](https://appshunter.io/ios/app/passport/id1622003030)

**Features:** macOS Compatibility

**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 市川石油PASSPORT free?

市川石油PASSPORT 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 市川石油PASSPORT or 4cm（ヨンセンチ） have ads?

市川石油PASSPORT shows ads; 4cm（ヨンセンチ） does not.

### Which is updated more often, 市川石油PASSPORT or 4cm（ヨンセンチ）?

市川石油PASSPORT ships an update every 15 months, and 4cm（ヨンセンチ） every 38 months. Most recently, 市川石油PASSPORT was updated on October 7, 2026 and 4cm（ヨンセンチ） on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*