ReadFlow
Elegant EPUB/PDF Reflow Reader
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
ReadFlow 2.0 is here! Lifetime stays $19.99 through 2026-11-30, then $29.99. Monthly and yearly stay at today’s rates—already easy to start.
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
Ratings & Reviews
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!
The developer, 实 许, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 实 许
- Size
- 15.1 MB
- Category
- Productivity
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
English and 2 more
- English, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- ReadFlow Pro 1x $0.99
- ReadFlow Pro ∞ $19.99
- ReadFlow Pro 12x $9.99
- Copyright
- © 2023 Shi Xu