# AI Write Buddy vs Book Creator

The clearest difference is rating: AI Write Buddy at 5.0 against Book Creator's 4.0. AI Write Buddy also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.2). Book Creator's advantage is ratings volume (27 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AI Write Buddy sells 4 in-app purchases, starting at $0.99 per 7 days and Book Creator sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Write Buddy holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Book Creator has 27 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | AI Write Buddy | Book Creator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai-write-buddy/id6446043099/reviews)** | [4.0 (27 ratings)](https://appshunter.io/ios/app/book-creator-write-a-book/id6470928496/reviews) |
| Number of ratings | 3 | **27** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 29 MB | 57 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [福海 王](https://appshunter.io/developer/607474203) | [Kaan Yildiz](https://appshunter.io/developer/1473960483) |

## What reviewers say

### AI Write Buddy

[App page](https://appshunter.io/ios/app/ai-write-buddy/id6446043099)

This AI-powered writing assistant helps users generate professional content, overcome writer's block, and enhance their writing skills. It offers personalized assistance for various writing needs, from marketing copy to creative content.

**Highlights:** AI-powered writing assistance, Generate marketing copy and content ideas, Overcome writer's block, Personalized content creation, Enhance writing skills, Instant content generation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week VIP | $0.99 | per 7 days |
| 1 month VIP | $2.99 | per month |
| 3 months VIP | $6.99 | per 3 months |
| 12 months VIP | $19.99 | per year |


### Book Creator

[App page](https://appshunter.io/ios/app/book-creator-write-a-book/id6470928496)

This AI-powered writing assistant helps with all stages of your writing process. It can generate content, answer questions, and provide recommendations across a wide range of topics. A subscription is required to access its full capabilities.

**Highlights:** AI-powered writing engine, Assistance in every writing step, Handles diverse input topics, Answers questions and provides advice, Generates recipes to scientific articles

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Writer's AI Weekly | $4.99 | per 7 days |
| Writer's AI Weekly | $7.99 | per 7 days |
| Writer's AI Annually | $39.99 | per year |
| Writer's AI Annually | $44.99 | per year |
| Writer's AI Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is AI Write Buddy free?

AI Write Buddy is free to download, with in-app purchases available.

### Is Book Creator free?

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

### Which has better reviews, AI Write Buddy or Book Creator?

AI Write Buddy is rated higher. AI Write Buddy averages 5.0 out of 5 from 3 ratings, while Book Creator averages 4.0 from 27 ratings.

### Do AI Write Buddy or Book Creator have ads?

Neither AI Write Buddy nor Book Creator shows ads.

### Which is updated more often, AI Write Buddy or Book Creator?

AI Write Buddy ships an update every 5 weeks, and Book Creator every 5 weeks. Most recently, AI Write Buddy was updated on September 18, 2026 and Book Creator on September 21, 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.*