# Ebook Central vs Thorium Reader

The clearest difference is rating: Thorium Reader at 3.9 against Ebook Central's 1.6. Thorium Reader also leads on review sentiment (38% vs 0%). Ebook Central's advantage is chart position (#170 vs unranked) and device support (4 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Thorium Reader holds the better App Store score, 3.9 against 1.6. Both are backed by a comparable volume of ratings — 34 and 9 respectively. Written reviews point the same way: 0% of Ebook Central's written reviews are positive against 38% of Thorium Reader's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Ebook Central | Thorium Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (34 ratings)](https://appshunter.io/ios/app/ebook-central/id6502346051/reviews) | **[3.9 (9 ratings)](https://appshunter.io/ios/app/thorium-reader/id6745025189/reviews)** |
| Number of ratings | **34** | 9 |
| Positive reviews | 0.0% of reviews | **37.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Best chart rank | **#170** | — |
| Size | 50 MB | 45 MB |
| Requires iOS | **14.0** | 26.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Clarivate Analytics (US) LLC](https://appshunter.io/developer/1291059975) | [Readium](https://appshunter.io/developer/1232183924) |

## What reviewers say

### Ebook Central

[App page](https://appshunter.io/ios/app/ebook-central/id6502346051)

**Currently charting:** #170 Top Free · Book (US App Store)

Read downloaded ebooks from your library securely and accessibly, anytime and anywhere. This app offers a modern reading experience with streamlined authentication and an intuitive interface, syncing your progress across devices for uninterrupted research, even offline.

**Highlights:** Offline reading, Secure reading experience, Streamlined authentication, Intuitive interface, Cross-device syncing, Accessible reading

**Features:** Vision Pro support

**In-app purchases:** none


### Thorium Reader

[App page](https://appshunter.io/ios/app/thorium-reader/id6745025189)

Organize all your ebooks, comics, and manga in a single app. Customize your reading experience with adjustable text, fonts, and themes. Listen to audiobooks and zoom into visual content with ease.

**Highlights:** Unified bookshelf for all content, Adjustable text size and spacing, Multiple font options, Text-to-speech audio playback, Zoom for comics and manga, Offline dictionary and translation, Import EPUB, PDF, CBZ files

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

**In-app purchases:** none


## Frequently asked questions

### Is Ebook Central free?

Ebook Central is free to download, with no in-app purchases.

### Is Thorium Reader free?

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

### Which has better reviews, Ebook Central or Thorium Reader?

Thorium Reader is rated higher. Ebook Central averages 1.6 out of 5 from 34 ratings, while Thorium Reader averages 3.9 from 9 ratings.

### Do Ebook Central or Thorium Reader have ads?

Neither Ebook Central nor Thorium Reader shows ads.

### Which is updated more often, Ebook Central or Thorium Reader?

Ebook Central ships an update every 2 months, and Thorium Reader every 2 months. Most recently, Ebook Central was updated on September 24, 2026 and Thorium Reader on September 10, 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.*