# AI Book Summary vs Cortex Atlas

The clearest difference is ads: Cortex Atlas at none against AI Book Summary's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. AI Book Summary sells 2 in-app purchases, starting at $5.99 per month and Cortex Atlas sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AI Book Summary | Cortex Atlas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 160 MB | 15 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [AppAspect Technologies Pvt. Ltd.](https://appshunter.io/developer/962656494) | [Eddie Kung](https://appshunter.io/developer/6781630511) |

## What reviewers say

### AI Book Summary

[App page](https://appshunter.io/ios/app/ai-book-summary-audio-and-read/id6762128237)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $5.99 | per month |
| Yealy Premium Subscription | $29.99 | per year |


### Cortex Atlas

[App page](https://appshunter.io/ios/app/cortex-atlas/id6781644671)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cortex Pro | $4.99 | per month |
| cortex unlimited | $9.99 | per month |


## Frequently asked questions

### Is AI Book Summary free?

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

### Is Cortex Atlas free?

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

### Do AI Book Summary or Cortex Atlas have ads?

AI Book Summary shows ads; Cortex Atlas does not.

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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.*