# DualText Reader vs Quill

The clearest difference is ads: Quill at none against DualText Reader's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

DualText Reader ships an update every 2 weeks, Quill every 9 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | DualText Reader | Quill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quill-ai-book-reader/id6762075206/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 9 MB | 20 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Masatomo Fukuda](https://appshunter.io/developer/1599921920) | [思涵 岳](https://appshunter.io/developer/1885417868) |

## What reviewers say

### DualText Reader

[App page](https://appshunter.io/ios/app/dualtext-reader/id6754987190)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quill

[App page](https://appshunter.io/ios/app/quill-ai-book-reader/id6762075206)

This application enhances your reading experience by providing AI-powered definitions, translations, and contextual explanations for any word or passage within your imported EPUB and PDF books. It offers instant insights to deepen comprehension.

**Highlights:** AI-powered explanations, Instant definitions, Contextual understanding, Import EPUB and PDF, Word and passage lookup

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

**In-app purchases:** none


## Frequently asked questions

### Is DualText Reader free?

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

### Is Quill free?

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

### Do DualText Reader or Quill have ads?

DualText Reader shows ads; Quill does not.

### Which is updated more often, DualText Reader or Quill?

DualText Reader ships an update every 2 weeks, and Quill every 9 days. Most recently, DualText Reader was updated on October 7, 2026 and Quill on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*