# AI文書スタイル変換 vs AI英文添削&翻訳

The clearest difference is update cadence: AI英文添削&翻訳 at every 3 weeks against AI文書スタイル変換's every 4 months. AI英文添削&翻訳 also leads on iOS requirement (16.2 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI文書スタイル変換 sells 2 one-off in-app purchases and AI英文添削&翻訳 sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

AI文書スタイル変換 ships an update every 4 months, AI英文添削&翻訳 every 3 weeks. The most recent releases landed on September 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | AI文書スタイル変換 | AI英文添削&翻訳 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 19 MB |
| Requires iOS | 18 | **16.2** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 4+ |
| Developer | [Osawa Shunsuke](https://appshunter.io/developer/477431394) | [Akira Fujisawa](https://appshunter.io/developer/1533514621) |

## What reviewers say

### AI文書スタイル変換

[App page](https://appshunter.io/ios/app/ai/id6446862035)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 開発を支援する | $1.99 | one-time |
| Pro版 | $4.99 | one-time |


### AI英文添削&翻訳

[App page](https://appshunter.io/ios/app/ai-and/id6496865136)

This app uses AI technology to correct and translate English text. It analyzes various documents, from business to academic, offering suggestions for grammar, spelling, and expression. Customize your writing with style and word count adjustments.

**Highlights:** AI-powered English text correction, Grammar and spelling error detection, Expression improvement suggestions, Style and word count adjustment, Translation capabilities

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示 | $1.99 | per month |


## Frequently asked questions

### Is AI文書スタイル変換 free?

AI文書スタイル変換 is free to download, with in-app purchases available.

### Is AI英文添削&翻訳 free?

AI英文添削&翻訳 is free to download, with in-app purchases available.

### Do AI文書スタイル変換 or AI英文添削&翻訳 have ads?

Both AI文書スタイル変換 and AI英文添削&翻訳 show ads.

### Which is updated more often, AI文書スタイル変換 or AI英文添削&翻訳?

AI文書スタイル変換 ships an update every 4 months, and AI英文添削&翻訳 every 3 weeks. Most recently, AI文書スタイル変換 was updated on September 17, 2026 and AI英文添削&翻訳 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.*