# EPUB Reader vs Reader IQ

The clearest difference is in-app purchases: Reader IQ at none against EPUB Reader's 2. EPUB Reader's advantage is update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. EPUB Reader sells 2 in-app purchases, starting at $14.99 per year. Reader IQ asks for nothing beyond the download.

EPUB Reader ships an update every 5 days, Reader IQ fortnightly. The most recent releases landed on October 11, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | EPUB Reader | Reader IQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/epub-reader-duotext/id6806532508/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 22 MB | 188 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Iaroslav Saverin](https://appshunter.io/developer/6798765547) | [Dmitry Zaika](https://appshunter.io/developer/1326165516) |

## What reviewers say

### EPUB Reader

[App page](https://appshunter.io/ios/app/epub-reader-duotext/id6806532508)

This app helps you learn languages by reading books with side-by-side translations. You can tap to translate words or sentences, save vocabulary, and customize your reading experience. It offers a selection of free classic reads and the option to import your own EPUB and TXT files.

**Highlights:** Dual-text translation, Tap to translate words/sentences, Save vocabulary with context, Import EPUB and TXT files, Customizable reading themes and fonts, Offline translation after initial download

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $14.99 | per year |
| Lifetime | $24.99 | one-time |


### Reader IQ

[App page](https://appshunter.io/ios/app/reader-iq-book-translator/id6812746379)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EPUB Reader free?

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

### Is Reader IQ free?

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

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

Neither EPUB Reader nor Reader IQ shows ads.

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

EPUB Reader ships an update every 5 days, and Reader IQ fortnightly. Most recently, EPUB Reader was updated on October 11, 2026 and Reader IQ on October 19, 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.*