# Torrossa Reader vs ReadDeep

The clearest difference is review sentiment: ReadDeep at 100% against Torrossa Reader's 0%. ReadDeep also leads on update cadence (fortnightly vs every 4 months). Torrossa Reader's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. ReadDeep sells 1 in-app purchase, starting at $4.99 per month. Torrossa Reader asks for nothing beyond the download.

Torrossa Reader ships an update every 4 months, ReadDeep fortnightly. The most recent releases landed on September 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Torrossa Reader | ReadDeep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/readdeep-read-books-with-ai/id6747369157/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 12 MB | 24 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Casalini libri S.p.A.](https://appshunter.io/developer/432109605) | [Jiabao Sun](https://appshunter.io/developer/1775093244) |

## What reviewers say

### Torrossa Reader

[App page](https://appshunter.io/ios/app/torrossa-reader/id1621262664)

Read digital texts in epub format with this application. It's designed for academic study and personal reading, focusing on humanities and social sciences. The app supports both protected and unprotected epub files.

**Highlights:** EPUB format support, Readium LCP protection, Academic and personal reading, Focus on humanities and social sciences, Supports unprotected epubs

**In-app purchases:** none


### ReadDeep

[App page](https://appshunter.io/ios/app/readdeep-read-books-with-ai/id6747369157)

This app enhances your reading experience by allowing you to import ebooks and engage in AI-powered discussions about their content. You can also connect your own language models for a customized interaction.

**Highlights:** Import EPUB, MOBI, AZW, AZW3 ebooks, Chat with AI about book content, Connect custom Large Language Models, Personalized reading experience, AI-powered content analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadDeep AI | $4.99 | per month |


## Frequently asked questions

### Is Torrossa Reader free?

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

### Is ReadDeep free?

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

### Do Torrossa Reader or ReadDeep have ads?

Neither Torrossa Reader nor ReadDeep shows ads.

### Which is updated more often, Torrossa Reader or ReadDeep?

Torrossa Reader ships an update every 4 months, and ReadDeep fortnightly. Most recently, Torrossa Reader was updated on September 30, 2026 and ReadDeep on October 25, 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.*