# AI文章添削くん 読みやすい日本語に校正推敲 vs 返信どうする？AI添削・敬語翻訳・言い換えツール

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 返信どうする？AI添削・敬語翻訳・言い換えツール's 1. 返信どうする？AI添削・敬語翻訳・言い換えツール's advantage is update cadence (every 4 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 返信どうする？AI添削・敬語翻訳・言い換えツール sells 1 in-app purchase, starting at $1.99 per month. 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文章添削くん 読みやすい日本語に校正推敲 ships an update every 7 months, 返信どうする？AI添削・敬語翻訳・言い換えツール every 4 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AI文章添削くん 読みやすい日本語に校正推敲 | 返信どうする？AI添削・敬語翻訳・言い換えツール |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | — | Freemium |
| Size | 5 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kaitekidigital Inc.](https://appshunter.io/developer/1305009205) | [Appricot Co.,Ltd.](https://appshunter.io/developer/1716553156) |

## What reviewers say

### 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


### 返信どうする？AI添削・敬語翻訳・言い換えツール

[App page](https://appshunter.io/ios/app/ai/id6741709838)

AI-powered tool to generate replies for various messages, from social media to business emails. It automatically detects the context and adjusts the tone, ensuring natural-sounding responses. Also offers proofreading and screenshot text extraction for convenience.

**Highlights:** AI-generated replies, Automatic context detection, Natural text formatting, Draft proofreading, Screenshot text extraction, Reply history and adjustment

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Plan | $1.99 | per month |


## Frequently asked questions

### 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.

### Is 返信どうする？AI添削・敬語翻訳・言い換えツール free?

返信どうする？AI添削・敬語翻訳・言い換えツール is free to download, with in-app purchases available.

### Do AI文章添削くん 読みやすい日本語に校正推敲 or 返信どうする？AI添削・敬語翻訳・言い換えツール have ads?

Both AI文章添削くん 読みやすい日本語に校正推敲 and 返信どうする？AI添削・敬語翻訳・言い換えツール show ads.

### Which is updated more often, AI文章添削くん 読みやすい日本語に校正推敲 or 返信どうする？AI添削・敬語翻訳・言い換えツール?

AI文章添削くん 読みやすい日本語に校正推敲 ships an update every 7 months, and 返信どうする？AI添削・敬語翻訳・言い換えツール every 4 weeks. Most recently, AI文章添削くん 読みやすい日本語に校正推敲 was updated on October 8, 2026 and 返信どうする？AI添削・敬語翻訳・言い換えツール on October 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.*