# Book AI vs Ghost Reader

The clearest difference is in-app purchases: Ghost Reader at none against Book AI's 8. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Book AI sells 8 in-app purchases, starting at $11.49 per month. Ghost Reader asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Book AI | Ghost Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (57 ratings)](https://appshunter.io/ios/app/book-ai-smart-summaries/id1529256629/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 23 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Riafy Technologies Pvt. Ltd.](https://appshunter.io/developer/918478397) | [Trofim Panasik](https://appshunter.io/developer/1809927555) |

## What reviewers say

### Book AI

[App page](https://appshunter.io/ios/app/book-ai-smart-summaries/id1529256629)

Access concise summaries of thousands of books in minutes, delivered via AI-powered text or audio. Ideal for busy individuals seeking to expand their knowledge and gain insights from bestsellers across various genres.

**Highlights:** AI-powered book summaries, Audio summaries with narration, Thousands of titles across categories, Quick reading/listening sessions, Personalized recommendations, Seamless audio playback, Curated collections, Weekly content updates

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Book Summaries Monthly | $11.49 | per month |
| Book Summaries Monthly Trial | $11.49 | per month |
| Book Summaries Half Yearly | $24.99 | per 6 months |
| Book Summaries Six month Trial | $24.99 | per 6 months |
| Book Summaries Yearly Trial | $29.99 | per year |
| Book Summaries Discounted | $39.99 | per 6 months |
| Book Summaries Yearly | $49.99 | per year |
| 7 days premium | $2.99 | one-time |


### Ghost Reader

[App page](https://appshunter.io/ios/app/ghost-reader-watch-documents/id6780258970)

**Features:** macOS Compatibility, Apple Watch app, 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 Ghost Reader free?

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

### Do Book AI or Ghost Reader have ads?

Neither Book AI nor Ghost Reader shows ads.

### Which is updated more often, Book AI or Ghost Reader?

Book AI ships an update every 3 weeks, and Ghost Reader every 3 weeks. Most recently, Book AI was updated on October 29, 2026 and Ghost Reader on October 24, 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.*