# PDF Reader PDF Viewer vs AI Ebook Generator

The clearest difference is rating: AI Ebook Generator at 4.6 against PDF Reader PDF Viewer's 3.0. AI Ebook Generator also leads on ratings volume (190 vs 2). PDF Reader PDF Viewer's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. PDF Reader PDF Viewer sells 2 in-app purchases, starting at $0.99 per month and AI Ebook Generator sells 4 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Ebook Generator holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: AI Ebook Generator has 190 ratings behind it against 2, so its average is the more settled of the two.

PDF Reader PDF Viewer ships an update every 3 weeks, AI Ebook Generator every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | PDF Reader PDF Viewer | AI Ebook Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445/reviews) | **[4.6 (190 ratings)](https://appshunter.io/ios/app/ai-ebook-generator-book-writer/id6470616209/reviews)** |
| Number of ratings | 2 | **190** |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 127 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Mohit Rudani](https://appshunter.io/developer/1673702969) | [Speed Apps Labs LLP](https://appshunter.io/developer/1681161383) |

## What reviewers say

### PDF Reader PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445)

Edit, sign, and share PDF documents on your iPhone. Import files from your gallery, convert them to PDF, and manage all your documents in one place. Offers a simple interface for reading, annotating, and creating PDFs.

**Highlights:** Edit and sign PDF documents, Import and convert to PDF, Read, comment, and annotate PDFs, Create new PDF files, Share documents as PDF, Offline PDF viewing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads for 1 Month | $0.99 | per month |
| Remove ads for 1 Year | $3.99 | per year |


### AI Ebook Generator

[App page](https://appshunter.io/ios/app/ai-ebook-generator-book-writer/id6470616209)

Effortlessly transform your ideas into captivating ebooks with AI-powered writing and editing tools. Generate content on diverse topics, structure your book, and publish instantly to various platforms.

**Highlights:** AI Ebook Generation, Ebook Outline Creation, Story Editor & Grammar Checker, Novel Writing Tools, Instant Ebook Publishing, Diverse Topic Selection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $5.99 | per 7 days |
| Premium Half-Yearly | $24.99 | per 6 months |
| Premium Yearly | $44.99 | per year |
| E-book Lifetime Plan | $79.99 | one-time |


## Frequently asked questions

### Is PDF Reader PDF Viewer free?

PDF Reader PDF Viewer is free to download, with in-app purchases available.

### Is AI Ebook Generator free?

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

### Which has better reviews, PDF Reader PDF Viewer or AI Ebook Generator?

AI Ebook Generator is rated higher. PDF Reader PDF Viewer averages 3.0 out of 5 from 2 ratings, while AI Ebook Generator averages 4.6 from 190 ratings.

### Do PDF Reader PDF Viewer or AI Ebook Generator have ads?

Neither PDF Reader PDF Viewer nor AI Ebook Generator shows ads.

### Which is updated more often, PDF Reader PDF Viewer or AI Ebook Generator?

PDF Reader PDF Viewer ships an update every 3 weeks, and AI Ebook Generator every 3 months. Most recently, PDF Reader PDF Viewer was updated on November 3, 2026 and AI Ebook Generator on November 3, 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.*