# Thorium Reader vs Papyrus EPUB Reader

The clearest difference is in-app purchases: Thorium Reader at none against Papyrus EPUB Reader's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Papyrus EPUB Reader sells 1 one-off in-app purchase. Thorium Reader asks for nothing beyond the download.

## The numbers

| Metric | Thorium Reader | Papyrus EPUB Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (11 ratings)](https://appshunter.io/ios/app/thorium-reader/id6745025189/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 46 MB | 22 MB |
| Requires iOS | 26.1 | **26.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Readium](https://appshunter.io/developer/1232183924) | [Serendipity Labs (OPC) Private Ltd](https://appshunter.io/developer/1869898617) |

## 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


### Papyrus EPUB Reader

[App page](https://appshunter.io/ios/app/papyrus-epub-reader/id6801970734)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Papyrus Pro Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is Thorium Reader free?

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

### Is Papyrus EPUB Reader free?

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

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

Neither Thorium Reader nor Papyrus EPUB Reader shows ads.

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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.*