# Lek vs Book Creator

The clearest difference is review sentiment: Lek at 77% against Book Creator's 0%. Lek also leads on rating (4.6 vs 4.0) and monetization model (free with in-app purchases vs subscription). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Lek sells 10 in-app purchases, starting at $8.99 per month and Book Creator sells 8 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lek holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 83 and 27 respectively. Written reviews point the same way: 77% of Lek's written reviews are positive against 0% of Book Creator's.

Lek ships an update every 3 weeks, Book Creator every 5 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | Lek | Book Creator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (83 ratings)](https://appshunter.io/ios/app/lek-ai-chatbot-and-assistant/id1643403406/reviews)** | [4.0 (27 ratings)](https://appshunter.io/ios/app/book-creator-write-a-book/id6470928496/reviews) |
| Number of ratings | **83** | 27 |
| Positive reviews | **76.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 152 MB | 68 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [AppTech Private Limited](https://appshunter.io/developer/1501543234) | [Kaan Yildiz](https://appshunter.io/developer/1473960483) |

## What reviewers say

### Lek

[App page](https://appshunter.io/ios/app/lek-ai-chatbot-and-assistant/id1643403406)

This AI-powered writing assistant generates various types of content, from emails and essays to ad copy and lyrics. It simplifies writing tasks with an easy-to-use interface, offering a wide range of content generation options in multiple languages.

**Highlights:** AI content generation, Email and essay writing, Ad copy and SEO meta text creation, Grammar correction and rephrasing, Content summarization and expansion, Idea generation for copywriting, Lyrics and tagline creation

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Writing - Starter Monthly | $8.99 | per month |
| Pro - Monthly | $14.99 | per month |
| AI Writing - Pro Monthly | $17.99 | per month |
| Max Monthly | $24.99 | per month |
| AI Writing Max - Monthly | $29.99 | per month |
| AI Writing - Starter Yearly | $79.99 | per year |
| Pro Yearly | $119.99 | per year |
| AI Writing Pro - Yearly | $159.99 | per year |
| Max Yearly | $224.99 | per year |
| AI Writing Max - Yearly | $299.99 | per year |


### Book Creator

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

This AI-powered writing assistant offers comprehensive support for all your writing needs, from generating creative stories to drafting complex articles. It leverages advanced AI chat engines to provide guidance and assistance at every stage of the writing process.

**Highlights:** AI-powered writing engine, Assistance in every writing step, Handles diverse input types, Generates creative stories, Drafts articles on complex topics, Provides recommendations and advice

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Writer's AI Weekly | $4.99 | per 7 days |
| Writer's AI Weekly | $6.99 | per 7 days |
| Writer's AI Weekly | $7.99 | per 7 days |
| AI Writer Annual Final | $29.99 | per year |
| AI Writer Annual Return | $34.99 | per year |
| 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 Lek free?

Lek 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, Lek or Book Creator?

Lek is rated higher. Lek averages 4.6 out of 5 from 83 ratings, while Book Creator averages 4.0 from 27 ratings.

### Do Lek or Book Creator have ads?

Neither Lek nor Book Creator shows ads.

### Which is updated more often, Lek or Book Creator?

Lek ships an update every 3 weeks, and Book Creator every 5 weeks. Most recently, Lek was updated on November 7, 2026 and Book Creator on November 7, 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.*