# Quill vs ReadFun App

The clearest difference is in-app purchases: Quill at none against ReadFun App's 4. ReadFun App's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 17.0). On price and ads there is nothing between them.

Both are free to download. ReadFun App sells 4 in-app purchases, starting at $2.49 per month. Quill asks for nothing beyond the download.

## The numbers

| Metric | Quill | ReadFun App |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 9 days | — |
| Monetization | Free | — |
| Size | 20 MB | 622 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [思涵 岳](https://appshunter.io/developer/1885417868) | [泳枚 吴](https://appshunter.io/developer/6792500908) |

## 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


### ReadFun App

[App page](https://appshunter.io/ios/app/readfun-app/id6795031840)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadFun Plus Monthly | $2.49 | per month |
| ReadFun Pro Monthly | $4.99 | per month |
| ReadFun Plus Yearly | $19.99 | per year |
| ReadFun Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Quill free?

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

### Is ReadFun App free?

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

### Do Quill or ReadFun App have ads?

Neither Quill nor ReadFun App 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.*