# Thorium Reader vs EPUB Reader

The clearest difference is rating: EPUB Reader at 4.7 against Thorium Reader's 3.9. EPUB Reader also leads on update cadence (every 5 days vs every 2 months) and review sentiment (89% vs 60%). Thorium Reader's advantage is in-app purchases (none vs 7). On price, ads and device support there is nothing between them.

Both are free to download. EPUB Reader sells 7 in-app purchases, starting at $2.99 per month. Thorium Reader asks for nothing beyond the download.

EPUB Reader holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 9 and 36 respectively. Written reviews point the same way: 60% of Thorium Reader's written reviews are positive against 89% of EPUB Reader's.

Thorium Reader ships an update every 2 months, EPUB Reader every 5 days. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Thorium Reader | EPUB Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/thorium-reader/id6745025189/reviews) | **[4.7 (36 ratings)](https://appshunter.io/ios/app/epub-reader-justread/id6757948605/reviews)** |
| Number of ratings | 9 | **36** |
| Positive reviews | 60.0% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 124 MB |
| Requires iOS | 26.1 | **18.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Readium](https://appshunter.io/developer/1232183924) | [PETR JAHODA](https://appshunter.io/developer/1869867188) |

## What reviewers say

### 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


### EPUB Reader

[App page](https://appshunter.io/ios/app/epub-reader-justread/id6757948605)

Customize your reading experience with extensive font and layout options. Effortlessly manage your library, track reading habits, and enjoy eye-care features. Sync your books across devices via cloud storage without proprietary lock-in.

**Highlights:** 200+ built-in fonts and custom font import, Adjustable text and layout settings, Smart dark mode with intelligent image inversion, 20-20-20 eye health reminders, Library management for 5,000+ books, Cloud sync via iCloud, Dropbox, Google Drive, OneDrive, Highlighting, notes, and bookmarking, Reading progress tracking and goal setting

**Features:** Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Monthly Premium | $4.99 | per month |
| Yearly – Launch Price | $12.49 | per year |
| Yearly Premium | $24.99 | per year |
| Yearly Premium | $29.99 | per year |
| Lifetime – Launch Price | $29.99 | one-time |
| Lifetime Premium | $79.99 | one-time |


## Frequently asked questions

### Is Thorium Reader free?

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

### Is EPUB Reader free?

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

### Which has better reviews, Thorium Reader or EPUB Reader?

EPUB Reader is rated higher. Thorium Reader averages 3.9 out of 5 from 9 ratings, while EPUB Reader averages 4.7 from 36 ratings.

### Do Thorium Reader or EPUB Reader have ads?

Neither Thorium Reader nor EPUB Reader shows ads.

### Which is updated more often, Thorium Reader or EPUB Reader?

Thorium Reader ships an update every 2 months, and EPUB Reader every 5 days. Most recently, Thorium Reader was updated on September 10, 2026 and EPUB Reader on September 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.*