# Calibre ebook reader vs Moon+ Reader

The clearest difference is rating: Calibre ebook reader at 4.7 against Moon+ Reader's 1.8. Calibre ebook reader also leads on update cadence (every 9 days vs monthly) and review sentiment (50% vs 33%). Moon+ Reader's advantage is in-app purchases (none vs 4) and iOS requirement (15.0 vs 18.0). On price, ratings volume, ads 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. Moon+ Reader asks for nothing beyond the download.

Calibre ebook reader holds the better App Store score, 4.7 against 1.8. Both are backed by a comparable volume of ratings — 11 and 5 respectively. Written reviews point the same way: 50% of Calibre ebook reader's written reviews are positive against 33% of Moon+ Reader's.

Calibre ebook reader ships an update every 9 days, Moon+ Reader monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Calibre ebook reader | Moon+ Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/calibre-ebook-reader-pageo/id6759336810/reviews)** | [1.8 (5 ratings)](https://appshunter.io/ios/app/moon-plus-reader/id6785269880/reviews) |
| Number of ratings | **11** | 5 |
| Positive reviews | **50.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 87 MB | 30 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VISIONCRAFT, SOCIEDAD LIMITADA](https://appshunter.io/developer/1473558735) | [Ahmed Yakoubi](https://appshunter.io/developer/1845211362) |

## 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 (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 |


### Moon+ Reader

[App page](https://appshunter.io/ios/app/moon-plus-reader/id6785269880)

Immerse yourself in a vast library of novels with a beautiful, distraction-free reading experience. Discover trending stories, follow your favorites, and enjoy personalized features like dark mode and smart notifications for new chapters.

**Highlights:** Distraction-free reading experience, Curated home feed with trending novels, Discover books by mood and category, Live rankings for popular reads, Personalized library and reading progress, Customizable themes and notifications

**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 Moon+ Reader free?

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

### Which has better reviews, Calibre ebook reader or Moon+ Reader?

Calibre ebook reader is rated higher. Calibre ebook reader averages 4.7 out of 5 from 11 ratings, while Moon+ Reader averages 1.8 from 5 ratings.

### Do Calibre ebook reader or Moon+ Reader have ads?

Both Calibre ebook reader and Moon+ Reader show ads.

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

Calibre ebook reader ships an update every 9 days, and Moon+ Reader monthly. Most recently, Calibre ebook reader was updated on October 25, 2026 and Moon+ Reader on October 25, 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.*