Chapters vs Zin Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chapters
This app allows users to create and edit ePub ebook files. It supports viewing, formatting text, and saving changes. Features like iCloud sync, autosave, and unlimited undo enhance the editing experience.
- Create and edit ePub files
- View documents in vertical scroll
- Edit and format text
- Save changes to files
- iCloud Drive sync
- Autosaving
- Unlimited undo/redo
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Chapters can create new ePub documents and open existing ePub files for editing. ePub is the most widely adopted file format for ebooks. ePub files reflow their content for comfortable reading on screen of any size from smartphones to desktops. Each document's content zipped into a single file for maximum portability. It is an open and vendor-independent file format based on popular web standards, such as HTML and CSS. With Chapters, you can ▪ Open existing files and create new ePub documents ▪ View an entire document in vertical scroll view ▪ Pinch to zoom and smart zoom with double-tap ▪ Edit and format document’s text ▪ Save your changes back to the file ▪ Use Table of Contents to jump ahead (on Mac only at the moment) ▪ Print and export to PDF (on Mac only at the moment) ▪ Add cover image and modify metadata (on Mac only at the moment) Chapters also supports ▪ iCloud Drive for keeping documents in sync on all your devices ▪ Autosaving automatically saves changes in background while you are editing ▪ Unlimited undo and redo as you edit ▪ Browsing previous changes and restoring them ▪ Resume your work right where you left off once app launches ▪ Side by side multitasking with another app in full screen split view on Mac and iPad ▪ Sharing documents with others via Messages, Mail and AirDrop If you encounter a bug or app crashing, please contact app’s support at chapters@shaw.ca Thank you!
Zin Flow
Convert web articles into clean EPUB or Markdown files for offline reading and personal knowledge management. Save content from browsers or other apps, organize with tags, and search your library. Premium offers unlimited conversions and full offline access.
- Web article to EPUB conversion
- Markdown export for PKM
- Browser and share extensions
- Offline reading mode
- Tag-based organization
- Full-text library search
- Multi-article EPUB export
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Zin Flow can discover similar articles on the current web page and batch-save your selections, while supporting offline reading and export to EPUB ebooks or Markdown documents. Collect valuable articles in one place and organize web content for long-term reading and archiving. Create better personal eBooks from the web: • Extract readable article content from web pages • Export clean EPUB files for long-form reading • Combine multiple articles into one eBook • Edit chapters before export • Customize the EPUB cover • Edit book information such as title, author, language, publication date, and publisher • Choose whether the table of contents appears as a reading page or only as navigation Save and read later: • Save text and images for offline reading • Add articles from other apps with the Share Extension • Keep a read-it-later library synced with iCloud • Use tags to organize topics, projects, and reading lists • Search across saved article content Export Markdown: • Export web articles as Markdown files • Preserve headings, paragraphs, lists, and links • Use saved content for notes, writing, research, or a personal knowledge base Browser and extension support: • Save pages from iPhone and iPad using the Share Extension • Discover similar articles on the current page with the browser extension and batch-save selected items to your library • Send the current page from a desktop browser to Zin Flow • Save the article content from pages you have already opened, including pages that require a signed-in session The free version includes basic conversion trials. Pro unlocks unlimited conversions, offline reading, watermark-free export, and more advanced capabilities. Zin Flow is designed for readers, researchers, developers, writers, and anyone who wants to keep web articles in a cleaner, more durable format. Your content is processed locally. Zin Flow does not upload your articles or collect personal reading data. Privacy Policy: https://wanyi.dev/en/zinflow/privacy Standard Apple Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Zin Flow at 100% against Chapters's 33%. Zin Flow also leads on price (Free vs $9.99) and rating (5.0 vs 4.0). Chapters's advantage is in-app purchases (none vs 3) and ads (none vs shown). On ratings volume and device support 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
Zin Flow is free to download; Chapters costs $9.99 up front. Zin Flow sells 3 in-app purchases, starting at $2.99 per month. Chapters asks for nothing beyond the download.
Zin Flow holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 33% of Chapters's written reviews are positive against 100% of Zin Flow's.
Chapters ships an update every 7 months, Zin Flow every 10 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | Chapters | Zin Flow |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.0 (2 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 7 months | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Two-Byte Software Inc. | 祎 万 |
Customer experience
Chapters
Zin Flow
In-app purchases
Chapters
No in-app purchases
Zin Flow
- Pro - Monthly$2.991 Month
- Pro - Yearly$12.991 Year
- Pro - Lifetime$19.99









