# DocumentChatApp vs AI Book Writer & Creator

The clearest difference is ads: DocumentChatApp at none against AI Book Writer & Creator's shown. DocumentChatApp also leads on iOS requirement (13.0 vs 17.6). AI Book Writer & Creator's advantage is update cadence (every 5 weeks vs every 8 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. DocumentChatApp sells 2 in-app purchases, starting at $9.99 per month and AI Book Writer & Creator sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DocumentChatApp ships an update every 8 months, AI Book Writer & Creator every 5 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DocumentChatApp | AI Book Writer & Creator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/ai-book-writer-and-creator/id6781629705/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 45 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [DataFortress.cloud GmbH](https://appshunter.io/developer/1805593741) | [Devangi Pandya](https://appshunter.io/developer/1835431207) |

## What reviewers say

### DocumentChatApp

[App page](https://appshunter.io/ios/app/documentchatapp/id6744027406)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $9.99 | per month |
| Plus Yearly | $199.00 | per year |


### AI Book Writer & Creator

[App page](https://appshunter.io/ios/app/ai-book-writer-and-creator/id6781629705)

Transform your ideas into complete books with AI assistance. Generate novels, children's stories, textbooks, and more, complete with chapters and illustrations. Offers free basic features and premium access for unlimited creation and downloads.

**Highlights:** Generate complete books with multiple chapters, AI-generated illustrations for chapters, Smart chapter planning and book structuring, Export and share your books, Supports fiction, non-fiction, children's, and academic books

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $6.99 | per 7 days |
| Pro Monthly | $19.99 | per month |


## Frequently asked questions

### Is DocumentChatApp free?

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

### Is AI Book Writer & Creator free?

AI Book Writer & Creator is free to download, with in-app purchases available.

### Do DocumentChatApp or AI Book Writer & Creator have ads?

AI Book Writer & Creator shows ads; DocumentChatApp does not.

### Which is updated more often, DocumentChatApp or AI Book Writer & Creator?

DocumentChatApp ships an update every 8 months, and AI Book Writer & Creator every 5 weeks. Most recently, DocumentChatApp was updated on October 30, 2026 and AI Book Writer & Creator 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.*