# 読めないと恥ずかしい漢字 vs A単

The clearest difference is ads: A単 at none against 読めないと恥ずかしい漢字's shown. A単 also leads on iOS requirement (11.0 vs 14.0). 読めないと恥ずかしい漢字's advantage is update cadence (every 4 months vs every 12 months). 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.

読めないと恥ずかしい漢字 ships an update every 4 months, A単 every 12 months. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 読めないと恥ずかしい漢字 | A単 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (45 ratings)](https://appshunter.io/ios/app/id853672305/reviews)** | — |
| Number of ratings | **45** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 12 months |
| Size | 39 MB | 18 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [nullhouse Inc.](https://appshunter.io/developer/853672308) | [Jazz Soft, Inc.](https://appshunter.io/developer/1439040352) |

## What reviewers say

### 読めないと恥ずかしい漢字

[App page](https://appshunter.io/ios/app/id853672305)

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

**In-app purchases:** none


### A単

[App page](https://appshunter.io/ios/app/a/id1493717408)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 読めないと恥ずかしい漢字 free?

読めないと恥ずかしい漢字 is free to download, with no in-app purchases.

### Is A単 free?

A単 is free to download, with no in-app purchases.

### Do 読めないと恥ずかしい漢字 or A単 have ads?

読めないと恥ずかしい漢字 shows ads; A単 does not.

### Which is updated more often, 読めないと恥ずかしい漢字 or A単?

読めないと恥ずかしい漢字 ships an update every 4 months, and A単 every 12 months. Most recently, 読めないと恥ずかしい漢字 was updated on September 21, 2026 and A単 on September 20, 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.*