Quill vs ReadFun App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quill
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.
- AI-powered explanations
- Instant definitions
- Contextual understanding
- Import EPUB and PDF
- Word and passage lookup
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Quill is an ebook reader with built-in AI that helps you understand what you read. Import your EPUB and PDF books, then tap any word or passage to get instant definitions, translations, and contextual explanations
ReadFun App
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ReadFun is an EPUB reader built for focused English reading. It brings reading, word lookup, translation, and study notes together in one clean experience. IMMERSIVE READING • Import your own EPUB files from Files • Download selected public-domain English classics from the Store • Customize fonts, text size, line spacing, paragraph spacing, and reading themes • Resume where you left off and navigate with the table of contents UNDERSTAND AS YOU READ • Tap a word to see its meaning in context • Double-tap a sentence for sentence translation • Choose offline, online, or AI-assisted translation • Use AI mode for contextual explanations and grammar analysis SAVE AND REVIEW • Save useful words and sentences while reading • Review saved items in Notes • Manage imported and downloaded books in your Library Book import and core reading features are available to everyone. ReadFun Plus and ReadFun Pro expand online translation and AI explanation allowances. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://huoshenwenhua.github.io/readfun-legal/privacy.html
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Quill | ReadFun App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 20 MB | 622 MB |
| Age rating | 4+ | 12+ |
| Developer | 思涵 岳 | 泳枚 吴 |
In-app purchases
Quill
No in-app purchases
ReadFun App
- ReadFun Plus Monthly$2.491 Month
- ReadFun Pro Monthly$4.991 Month
- ReadFun Plus Yearly$19.991 Year
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- ReadFun Pro Yearly$39.991 Year
