# Epubgle reader vs Book.io

The clearest difference is review sentiment: Book.io at 97% against Epubgle reader's 0%. Book.io also leads on ads (none vs shown) and monetization model (free vs ad-supported). Epubgle reader's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Epubgle reader | Book.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (58 ratings)](https://appshunter.io/ios/app/bookio/id1661003233/reviews)** |
| Number of ratings | — | **58** |
| Positive reviews | 0.0% of reviews | **96.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 20 MB | 31 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Contents Color CO.,LTD.](https://appshunter.io/developer/1367439766) | [Book.io, Inc](https://appshunter.io/developer/1661003235) |

## What reviewers say

### Epubgle reader

[App page](https://appshunter.io/ios/app/epubgle-reader/id1490973018)

This app allows you to read EPUB ebooks on your iPhone, iPad, and Mac. It supports both reflowable and fixed-layout layouts, offering customizable text and page display options. Enjoy features like automatic saving of your last reading position and importing books from various sources.

**Highlights:** EPUB reflowable and fixed-layout support, Import EPUBs via Share menu or email, Customizable text size, line height, and margins, Automatic saving of last reading page, Audio playback and video support, Page turning and menu toggle buttons

**Features:** macOS Compatibility

**In-app purchases:** none


### Book.io

[App page](https://appshunter.io/ios/app/bookio/id1661003233)

Manage your digital library of eBooks and audiobooks with a user-friendly interface. Customize your reading experience with various themes and text settings, and enjoy features like bookmarking and embedded media. Own and control your digital content.

**Highlights:** eBook and Audiobook management, Customizable themes and text settings, Seamless navigation and bookmarking, Audiobook playback and reading/listening switch, Embedded video and fixed format support, Social media login

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Epubgle reader free?

Epubgle reader is free to download, with no in-app purchases.

### Is Book.io free?

Book.io is free to download, with no in-app purchases.

### Do Epubgle reader or Book.io have ads?

Epubgle reader shows ads; Book.io does not.

### Which is updated more often, Epubgle reader or Book.io?

Epubgle reader ships an update every 2 months, and Book.io every 2 months. Most recently, Epubgle reader was updated on June 19, 2026 and Book.io on September 17, 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.*