# Book AI vs Rousd

The clearest difference is in-app purchases: Rousd at none against Book AI's 5. Rousd also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17). On price, update cadence and ads there is nothing between them.

Both are free to download. Book AI sells 5 in-app purchases, starting at $9.99 per month. Rousd asks for nothing beyond the download.

Book AI ships an update every 2 weeks, Rousd every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Book AI | Rousd |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 18 MB | 49 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [APP DEV MASTERS LTD](https://appshunter.io/developer/1142119189) | [Gordon Brown](https://appshunter.io/developer/1896606217) |

## What reviewers say

### Book AI

[App page](https://appshunter.io/ios/app/book-ai-create-your-own-book/id6745890103)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BookAI Plus Monthly | $9.99 | per month |
| BookAI Plus Yearly | $69.99 | per year |
| Book Generation | $0.99 | one-time |
| Audio Conversion | $2.99 | one-time |
| Book & Audio Bundle | $4.99 | one-time |


### Rousd

[App page](https://appshunter.io/ios/app/rousd/id6768805939)

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

**In-app purchases:** none


## Frequently asked questions

### Is Book AI free?

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

### Is Rousd free?

Rousd is free to download, with no in-app purchases.

### Do Book AI or Rousd have ads?

Neither Book AI nor Rousd shows ads.

### Which is updated more often, Book AI or Rousd?

Book AI ships an update every 2 weeks, and Rousd every 10 days. Most recently, Book AI was updated on October 30, 2026 and Rousd 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.*