# Quill vs Readmon

The clearest difference is in-app purchases: Quill at none against Readmon's 3. Quill also leads on ads (none vs shown) and iOS requirement (17.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Readmon sells 3 in-app purchases, starting at $0.99 per month. Quill asks for nothing beyond the download.

Quill ships an update every 9 days, Readmon every 10 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Quill | Readmon |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Free | — |
| Size | 20 MB | 85 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [思涵 岳](https://appshunter.io/developer/1885417868) | [Minhaeng Lee](https://appshunter.io/developer/6799366920) |

## What reviewers say

### 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


### Readmon

[App page](https://appshunter.io/ios/app/readmon-ai-tts-reader/id6803438401)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Voice Monthly | $0.99 | per month |
| Remove Ads | $0.99 | one-time |
| AI Voice Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Quill free?

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

### Is Readmon free?

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

### Do Quill or Readmon have ads?

Readmon shows ads; Quill does not.

### Which is updated more often, Quill or Readmon?

Quill ships an update every 9 days, and Readmon every 10 days. Most recently, Quill was updated on October 23, 2026 and Readmon on October 25, 2026.

---

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