# AI チャット アプリ vs Essay Coach

The clearest difference is review sentiment: Essay Coach at 57% against AI チャット アプリ's 5%. AI チャット アプリ's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. AI チャット アプリ sells 2 in-app purchases, starting at $5.99 per 7 days and Essay Coach sells 7 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | AI チャット アプリ | Essay Coach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/ai/id1661881078/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 5.0% of reviews | **57.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 14 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CapCat LLC](https://appshunter.io/developer/1654095841) | [Kazuaki Takahashi](https://appshunter.io/developer/1691521543) |

## What reviewers say

### AI チャット アプリ

[App page](https://appshunter.io/ios/app/ai/id1661881078)

This AI-powered chat application provides instant text responses to your questions. Ask anything you're curious about and receive immediate answers. A VIP plan offers unlimited questions and chat categorization.

**Highlights:** AI-powered instant responses, Ask any question, Unlimited questions (VIP), Chat categorization (VIP), Subscription plans available

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Professional | $5.99 | per 7 days |
| ChatGPT PRO Trial | $9.99 | per 7 days |


### Essay Coach

[App page](https://appshunter.io/ios/app/essay-coach/id6466455974)

Generate essays with AI assistance, customizing word count, writing style, and keywords. Collaborate on your writing to achieve the desired impression and clarity.

**Highlights:** AI essay generation, Customizable word count, Selectable writing styles, Keyword inclusion, Collaborative creation

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Essay PRO Editon | $0.99 | per month |
| AI Essay PRO Editon(6 months) | $4.99 | per 6 months |
| AI Essay PRO Plus Edition | $5.99 | per month |
| AI Essay PRO Plus Edition (6months) | $19.99 | per 6 months |
| 生成ポイント（10ポイント） | $0.99 | one-time |
| 生成ポイント（30ポイント） | $2.99 | one-time |
| 生成ポイント（70ポイント） | $3.99 | one-time |


## Frequently asked questions

### Is AI チャット アプリ free?

AI チャット アプリ is free to download, with in-app purchases available.

### Is Essay Coach free?

Essay Coach is free to download, with in-app purchases available.

### Do AI チャット アプリ or Essay Coach have ads?

Essay Coach shows ads; AI チャット アプリ does not.

### Which is updated more often, AI チャット アプリ or Essay Coach?

AI チャット アプリ ships an update every 3 weeks, and Essay Coach every 3 weeks. Most recently, AI チャット アプリ was updated on October 24, 2026 and Essay Coach 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.*