# Book AI vs Susúrrame

The clearest difference is in-app purchases: Susúrrame at none against Book AI's 5. Book AI's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Book AI ships an update every 2 weeks, Susúrrame every 3 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Book AI | Susúrrame |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 18 MB | 7 MB |
| Requires iOS | 17 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [APP DEV MASTERS LTD](https://appshunter.io/developer/1142119189) | [Ivan Ruiz](https://appshunter.io/developer/1448724955) |

## 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 |


### Susúrrame

[App page](https://appshunter.io/ios/app/susurrame/id6771837892)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Book AI free?

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

### Is Susúrrame free?

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

### Do Book AI or Susúrrame have ads?

Neither Book AI nor Susúrrame shows ads.

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

Book AI ships an update every 2 weeks, and Susúrrame every 3 months. Most recently, Book AI was updated on November 8, 2026 and Susúrrame 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.*