# AI添削・校正 vs Omakase Message | AI Reply

The clearest difference is in-app purchases: AI添削・校正 at none against Omakase Message | AI Reply's 4. AI添削・校正 also leads on update cadence (every 5 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Omakase Message | AI Reply sells 4 in-app purchases, starting at $8.00 per month. AI添削・校正 asks for nothing beyond the download.

AI添削・校正 ships an update every 5 days, Omakase Message | AI Reply every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AI添削・校正 | Omakase Message | AI Reply |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 10 days |
| Size | 14 MB | 104 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hideshi Otsuru](https://appshunter.io/developer/446092368) | [K-Stone Works](https://appshunter.io/developer/1881619204) |

## What reviewers say

### AI添削・校正

[App page](https://appshunter.io/ios/app/ai/id6749517394)

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

**In-app purchases:** none


### Omakase Message | AI Reply

[App page](https://appshunter.io/ios/app/omakase-message-ai-reply/id6759915584)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-month subscription | $8.00 | per month |
| 3-month subscription | $23.00 | per 3 months |
| 6-month subscription | $44.00 | per 6 months |
| 12-month subscription | $80.00 | per year |


## Frequently asked questions

### Is AI添削・校正 free?

AI添削・校正 is free to download, with no in-app purchases.

### Is Omakase Message | AI Reply free?

Omakase Message | AI Reply is free to download, with in-app purchases available.

### Do AI添削・校正 or Omakase Message | AI Reply have ads?

Both AI添削・校正 and Omakase Message | AI Reply show ads.

### Which is updated more often, AI添削・校正 or Omakase Message | AI Reply?

AI添削・校正 ships an update every 5 days, and Omakase Message | AI Reply every 10 days. Most recently, AI添削・校正 was updated on October 30, 2026 and Omakase Message | AI Reply on October 31, 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.*