# Script Books vs Calibre ebook reader

The clearest difference is in-app purchases: Script Books at none against Calibre ebook reader's 4. Script Books also leads on ads (none vs shown) and iOS requirement (16.0 vs 18.0). Calibre ebook reader's advantage is update cadence (weekly vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Calibre ebook reader sells 4 in-app purchases, starting at $4.99 per month. Script Books asks for nothing beyond the download.

Script Books ships an update every 6 months, Calibre ebook reader weekly. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Script Books | Calibre ebook reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (20 ratings)](https://appshunter.io/ios/app/calibre-ebook-reader-pageo/id6759336810/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 90 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Glassboxx Limited](https://appshunter.io/developer/1547970169) | [VISIONCRAFT, SOCIEDAD LIMITADA](https://appshunter.io/developer/1473558735) |

## What reviewers say

### Script Books

[App page](https://appshunter.io/ios/app/script-books/id6737908904)

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

**In-app purchases:** none


### Calibre ebook reader

[App page](https://appshunter.io/ios/app/calibre-ebook-reader-pageo/id6759336810)

Seamlessly sync your Calibre ebook library wirelessly to your iPhone. Convert various ebook formats to EPUB directly within the app and customize your reading experience with adjustable fonts, themes, and spacing. Listen to your books with text-to-speech functionality.

**Highlights:** Wireless Calibre library sync, Built-in ebook converter (PDF, MOBI, AZW, etc. to EPUB), Customizable reading experience (fonts, themes), Text-to-speech audiobook functionality, Import from cloud storage (Files, Dropbox, iCloud), Organize library by author, series, collection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pageo Pro | $4.99 | per month |
| Pageo Pro | $4.99 | per month |
| Pageo Pro | $19.99 | per year |
| 1 Day of Pro | $0.99 | one-time |


## Frequently asked questions

### Is Script Books free?

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

### Is Calibre ebook reader free?

Calibre ebook reader is free to download, with in-app purchases available.

### Do Script Books or Calibre ebook reader have ads?

Calibre ebook reader shows ads; Script Books does not.

### Which is updated more often, Script Books or Calibre ebook reader?

Script Books ships an update every 6 months, and Calibre ebook reader weekly. Most recently, Script Books was updated on November 8, 2026 and Calibre ebook reader on November 13, 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.*