# Calibro Reader vs BookShelves eBook Reader

The clearest difference is rating: Calibro Reader at 4.5 against BookShelves eBook Reader's 3.8. Calibro Reader also leads on in-app purchases (none vs 4) and iOS requirement (7.0 vs 17.4). BookShelves eBook Reader's advantage is update cadence (weekly vs every 4 months) and review sentiment (64% vs 41%). On price, ads and device support there is nothing between them.

Both are free to download. BookShelves eBook Reader sells 4 one-off in-app purchases. Calibro Reader asks for nothing beyond the download.

Calibro Reader holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 4 and 19 respectively. Written reviews complicate that: 41% of Calibro Reader's written reviews are positive against 64% of BookShelves eBook Reader's, so the app with the better star average is not the one people write more warmly about.

Calibro Reader ships an update every 4 months, BookShelves eBook Reader weekly. The most recent releases landed on October 15, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Calibro Reader | BookShelves eBook Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/calibro-reader/id958205905/reviews)** | [3.8 (19 ratings)](https://appshunter.io/ios/app/bookshelves-ebook-reader/id6756848973/reviews) |
| Number of ratings | 4 | **19** |
| Positive reviews | 40.5% of reviews | **63.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 52 MB | 56 MB |
| Requires iOS | **7.0** | 17.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [LIBRONET BILGI HIZMETLERI VE YAZILIM SANAYI TICARET LTD STI](https://appshunter.io/developer/958205904) | [CPE Verm. GmbH](https://appshunter.io/developer/1863249600) |

## What reviewers say

### Calibro Reader

[App page](https://appshunter.io/ios/app/calibro-reader/id958205905)

Access your entire e-book library across all your mobile devices with this comprehensive reading platform. Enjoy a new reading style, share favorite quotes on social media, and keep your library with you anywhere.

**Highlights:** Cross-device e-book access, Unified reading platform, Social media quote sharing, Access purchased e-books, Library management

**Features:** macOS Compatibility

**In-app purchases:** none


### BookShelves eBook Reader

[App page](https://appshunter.io/ios/app/bookshelves-ebook-reader/id6756848973)

This app allows you to read EPUB, PDF, and comic books with access to over 1.5 million free public domain books. Organize your library, customize your reading experience with multiple themes and fonts, and sync your progress across devices.

**Highlights:** 1.5 million+ free books, EPUB, PDF, and comic reader, Customizable themes and fonts, iCloud sync across devices, Smart library management, Highlighting and note-taking, Export highlights

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $2.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Large Tip | $8.99 | one-time |
| Unlock Pro | $9.99 | one-time |


## Frequently asked questions

### Is Calibro Reader free?

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

### Is BookShelves eBook Reader free?

BookShelves eBook Reader is free to download, with in-app purchases available.

### Which has better reviews, Calibro Reader or BookShelves eBook Reader?

Calibro Reader is rated higher. Calibro Reader averages 4.5 out of 5 from 4 ratings, while BookShelves eBook Reader averages 3.8 from 19 ratings.

### Do Calibro Reader or BookShelves eBook Reader have ads?

Neither Calibro Reader nor BookShelves eBook Reader shows ads.

### Which is updated more often, Calibro Reader or BookShelves eBook Reader?

Calibro Reader ships an update every 4 months, and BookShelves eBook Reader weekly. Most recently, Calibro Reader was updated on October 15, 2026 and BookShelves eBook Reader on October 23, 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.*