# Calibre ebook reader vs Babel Reader

The clearest difference is review sentiment: Babel Reader at 100% against Calibre ebook reader's 50%. Babel Reader also leads on in-app purchases (none vs 3) and ads (none vs shown). Calibre ebook reader's advantage is price (Free vs $4.99) and update cadence (every 9 days vs every 3 weeks). On device support and iOS requirement there is nothing between them.

Calibre ebook reader is free to download; Babel Reader costs $4.99 up front. Calibre ebook reader sells 3 in-app purchases, starting at $4.99 per month. Babel Reader asks for nothing beyond the download.

Calibre ebook reader ships an update every 9 days, Babel Reader every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calibre ebook reader | Babel Reader |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/calibre-ebook-reader-pageo/id6759336810/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 87 MB | 3 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VISIONCRAFT, SOCIEDAD LIMITADA](https://appshunter.io/developer/1473558735) | [Martin Bocker Dr](https://appshunter.io/developer/1883665378) |

## What reviewers say

### 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

**In-app purchases (3)**

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


### Babel Reader

[App page](https://appshunter.io/ios/app/babel-reader/id6760454895)

Read EPUB books with a customizable, distraction-free experience. Translate any paragraph instantly on-device, supporting over 20 languages. Organize your library and sync across Apple devices.

**Highlights:** Distraction-free reading experience, On-device translation for 20+ languages, Customizable typography and themes, EPUB 2 & 3 support, Library organization and iCloud sync, Read Aloud and Share functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Calibre ebook reader free?

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

### Is Babel Reader free?

Babel Reader costs $4.99, with no in-app purchases.

### Do Calibre ebook reader or Babel Reader have ads?

Calibre ebook reader shows ads; Babel Reader does not.

### Which is updated more often, Calibre ebook reader or Babel Reader?

Calibre ebook reader ships an update every 9 days, and Babel Reader every 3 weeks. Most recently, Calibre ebook reader was updated on October 25, 2026 and Babel 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.*