# ReadFlow: EPUB & PDF Reader — Reflow PDFs for small screens

> Mobile PDF reader with text reflow and customizable reading experience. (iPhone/iPad app by 实 许.)

- Source: https://appshunter.io/ios/app/readflow-epub-and-pdf-reader/id6447425350 (this page in markdown: same URL + `.md`)
- Developer: [实 许](https://appshunter.io/developer/681075194)
- Category: Books, Productivity
- Price: Free with in-app purchases
- Rating: 4.80/5 from 5 App Store ratings · 4 written reviews indexed
- Age rating: +4
- Requires: iOS 26.0 · 15 MB
- Languages: Brazilian Portuguese, German (Germany), Chinese (Simplified, China), Chinese (Traditional, Taiwan), Korean, European Spanish, French (France), American English, Italian, Japanese
- Released: 2023-07-12
- Data updated: 2026-11-07
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/readflow-epub-and-pdf-reader/id6447425350/reviews.md

## What is ReadFlow?

Designed for mobile reading!

ReadFlow is a carefully crafted reading app for EPUB and PDF, made to feel refined, smooth, and close to reading on paper.
For PDF, we built text reflow so small type and unclear scans are no longer a struggle on a phone.
On iPhone Duo and iPad, dual-page reading is supported—like turning a real book.

Key features:

- EPUB reading with page-turn or scroll
- PDF text reflow with page-turn or scroll, a preview wizard, automatic body-text detection, and multiple languages¹
- EPUB highlights, notes, and bookmarks
- In-book search for EPUB and PDF
- Custom font, size, and line spacing; import font files²
- Reading themes that follow the system light/dark appearance
- Dual-page reading on iPad landscape and foldable inner displays
- iCloud sync with on-demand download to save storage and data
- EPUB and PDF metadata editing (title, publisher, author, and more)
- Export reflowed text as TXT and share³
- Library filters, favorites, and more fine details

Free to download. ReadFlow Pro unlocks highlights/notes, reflow text export, and more via In-App Purchase / subscription.

¹ Auto-detect: English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish, Simplified Chinese, Traditional Chinese, Ukrainian, Thai, Vietnamese, Arabic
² Supported formats: otf, ttf
³ TXT is plain text—body only for now; table of contents, images, and other complex content are not supported yet

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Privacy Policy: https://is.gd/TgnFzI

## Key features

- PDF text reflow for mobile
- Customizable fonts and themes
- Import custom font files
- iCloud sync
- PDF file cropping
- Metadata editing
- Generate and share reflowed text

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| ReadFlow Pro 1x | $0.99 | per month |
| ReadFlow Pro 12x | $9.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| ReadFlow Pro ∞ | $19.99 | one-time |


## Is ReadFlow safe?

Not enough ratings yet to assess ReadFlow.

## Is ReadFlow legit?

ReadFlow: EPUB & PDF Reader appears to be a legitimate app. The AppsHunter Legitimacy Score for ReadFlow is 90 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/readflow-epub-and-pdf-reader/id6447425350/reviews.md

### 5/5 — pdf重排神器

*2026-06-11*

pdf重排效果挺好的，原文与识别文字切换方便，翻页能够全翻就好了，是半屏滑动

### 5/5 — 最好的PDF重排软件

*2026-05-09*

精准重排扫描PDF，远超其他app。

### 4/5 — 准确率不高 影响阅读

*2024-10-26*

有待优化

### 5/5 — 台版竖排书籍貌似效果非常差

*2024-09-26*

能否对台版竖排扫描版书籍进行优化一下，目前排出来大部分都是乱码，台版书籍一般都是从右往左的竖排繁体字格式，有这个功能的话，必定会花钱买会员的！

## Frequently asked questions about ReadFlow

### What is ReadFlow?

ReadFlow is a reading application designed to make PDF documents easier to read on mobile devices. It features text reflow technology to adapt PDFs to smaller screens, offering a reading experience similar to EPub or TXT files.

### Does ReadFlow have ads?

No, ReadFlow does not contain advertisements. The app is free to download and use, with optional in-app purchases for advanced features or subscriptions.

### What languages does ReadFlow support for text reflow?

ReadFlow currently supports text reflow for multiple languages including English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish, Simplified Chinese, Traditional Chinese, and Ukrainian.

### Can I customize the reading experience in ReadFlow?

Yes, ReadFlow allows extensive customization. You can adjust font family, font size, line height, and switch between different reading themes. You can also import your own font files.

### How does ReadFlow handle storage with iCloud sync?

ReadFlow utilizes iCloud sync with on-demand download. This feature helps save storage space on your device and reduces cellular data usage by only downloading files when you need them.

### What are the subscription options for ReadFlow Pro?

ReadFlow offers two subscription plans: 'ReadFlow Pro 1x' for $0.99 per month and 'ReadFlow Pro 12x' for $9.99 per year. These subscriptions likely unlock additional premium features.

### On which devices can I use ReadFlow?

ReadFlow is a universal app for iOS and iPadOS, meaning it is supported on both iPhone and iPad devices. It was last updated on July 16, 2023.

### What is the age rating for ReadFlow?

ReadFlow has an age rating of 4+, making it suitable for a wide range of users. The app was released on July 12, 2023.

## Version history (last 4 releases)

### 2.1.0 — 2026-11-03

ReadFlow 2.1

• Fixed a few reading issues
• Added Japanese, German, French, Spanish, Korean, Portuguese, and Italian

Thank you for reading with ReadFlow!

### 2.0.0 — 2026-10-24

ReadFlow 2.0 — a full upgrade to the reading experience!

• A fresh, modern interface—elegant and refined
• EPUB support, with page-turn or scroll, plus highlights, notes, and bookmarks
• A rewritten PDF reflow engine—dramatically better paragraphs, line joins, and indentation—with page-turn or scroll, a preview wizard, precise body-text detection, and automatic language detection (now including Thai, Vietnamese, and Arabic, among others)
• In-book search for EPUB and PDF
• Dual-page reading on iPad landscape and iPhone Duo’s inner display
• Many bug fixes and refinements

Thank you for reading with ReadFlow!

### 1.0.1 — 2023-07-16

- Minor bug fixes.

### 1.0.0 — 2023-07-13

No release notes.

## More apps by 实 许

- [PDF Cropper](https://appshunter.io/ios/app/pdf-cropper/id721151706)
- [Color Mail: clean email editor](https://appshunter.io/ios/app/color-mail-clean-email-editor/id734933602)
- [QR Maker for Safari(extension)](https://appshunter.io/ios/app/qr-maker-for-safariextension/id947187600)
- [GIFKit](https://appshunter.io/ios/app/gifkit/id1436432271)
- [Find my car by taking pictures](https://appshunter.io/ios/app/find-my-car-by-taking-pictures/id1460961644)
- [DCA Income Calculator](https://appshunter.io/ios/app/dca-income-calculator/id1528701884)

All apps by 实 许: https://appshunter.io/developer/681075194

## Related topics

[gazzetta reader](https://appshunter.io/ios/topics/gazzetta-reader) · [aesop reader](https://appshunter.io/ios/topics/aesop-reader) · [savor reader](https://appshunter.io/ios/topics/savor-reader) · [osdp reader](https://appshunter.io/ios/topics/osdp-reader)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-07.*