# NAKAO vs 4cm（ヨンセンチ）

NAKAO and 4cm（ヨンセンチ） are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

NAKAO ships an update every 39 months, 4cm（ヨンセンチ） every 38 months. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | NAKAO | 4cm（ヨンセンチ） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 38 months** |
| Size | 3 MB | 3 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ERI IDEMISTU](https://appshunter.io/developer/1634128937) | [shingo kamei](https://appshunter.io/developer/1256845824) |

## What reviewers say

### NAKAO

[App page](https://appshunter.io/ios/app/nakao/id1634128785)

**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 NAKAO free?

NAKAO 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 NAKAO or 4cm（ヨンセンチ） have ads?

Neither NAKAO nor 4cm（ヨンセンチ） shows ads.

### Which is updated more often, NAKAO or 4cm（ヨンセンチ）?

NAKAO ships an update every 39 months, and 4cm（ヨンセンチ） every 38 months. Most recently, NAKAO was updated on October 5, 2026 and 4cm（ヨンセンチ） on October 14, 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.*