# AI文書スタイル変換 vs denchi.ai

The clearest difference is in-app purchases: denchi.ai at none against AI文書スタイル変換's 2. denchi.ai also leads on ads (none vs shown) and update cadence (every 10 days vs every 4 months). On price 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. denchi.ai asks for nothing beyond the download.

AI文書スタイル変換 ships an update every 4 months, denchi.ai every 10 days. The most recent releases landed on September 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AI文書スタイル変換 | denchi.ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 10 MB | 47 MB |
| Requires iOS | 18 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Osawa Shunsuke](https://appshunter.io/developer/477431394) | [DENCHI, INC.](https://appshunter.io/developer/1714617482) |

## 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 |


### denchi.ai

[App page](https://appshunter.io/ios/app/denchiai/id6470997481)

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

**In-app purchases:** none


## 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 denchi.ai free?

denchi.ai is free to download, with no in-app purchases.

### Do AI文書スタイル変換 or denchi.ai have ads?

AI文書スタイル変換 shows ads; denchi.ai does not.

### Which is updated more often, AI文書スタイル変換 or denchi.ai?

AI文書スタイル変換 ships an update every 4 months, and denchi.ai every 10 days. Most recently, AI文書スタイル変換 was updated on September 17, 2026 and denchi.ai on October 9, 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.*