# AIメールくん vs AI文章添削くん 読みやすい日本語に校正推敲

The clearest difference is in-app purchases: AI文章添削くん 読みやすい日本語に校正推敲 at none against AIメールくん's 1. AIメールくん's advantage is ads (none vs shown) and update cadence (every 9 days vs every 7 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AIメールくん sells 1 in-app purchase, starting at $6.99 per 7 days. AI文章添削くん 読みやすい日本語に校正推敲 asks for nothing beyond the download.

AIメールくん ships an update every 9 days, AI文章添削くん 読みやすい日本語に校正推敲 every 7 months. The most recent releases landed on September 19, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | AIメールくん | AI文章添削くん 読みやすい日本語に校正推敲 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 7 months |
| Size | 4 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [AppEngine](https://appshunter.io/developer/1684103190) | [kaitekidigital Inc.](https://appshunter.io/developer/1305009205) |

## What reviewers say

### AIメールくん

[App page](https://appshunter.io/ios/app/ai/id6470747443)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $6.99 | per 7 days |


### AI文章添削くん 読みやすい日本語に校正推敲

[App page](https://appshunter.io/ios/app/ai/id6737303674)

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

**In-app purchases:** none


## Frequently asked questions

### Is AIメールくん free?

AIメールくん is free to download, with in-app purchases available.

### Is AI文章添削くん 読みやすい日本語に校正推敲 free?

AI文章添削くん 読みやすい日本語に校正推敲 is free to download, with no in-app purchases.

### Do AIメールくん or AI文章添削くん 読みやすい日本語に校正推敲 have ads?

AI文章添削くん 読みやすい日本語に校正推敲 shows ads; AIメールくん does not.

### Which is updated more often, AIメールくん or AI文章添削くん 読みやすい日本語に校正推敲?

AIメールくん ships an update every 9 days, and AI文章添削くん 読みやすい日本語に校正推敲 every 7 months. Most recently, AIメールくん was updated on September 19, 2026 and AI文章添削くん 読みやすい日本語に校正推敲 on August 24, 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.*