# Chapters vs Zin Flow

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.

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.

## The numbers

| Metric | Chapters | Zin Flow |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/chapters/id946792169/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zin-flow-web-to-epub/id6743690832/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 33 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Two-Byte Software Inc.](https://appshunter.io/developer/946792168) | [祎 万](https://appshunter.io/developer/1185381861) |

## What reviewers say

### Chapters

[App page](https://appshunter.io/ios/app/chapters/id946792169)

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.

**Highlights:** 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

**In-app purchases:** none


### Zin Flow

[App page](https://appshunter.io/ios/app/zin-flow-web-to-epub/id6743690832)

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.

**Highlights:** 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

**Features:** Safari Extension, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $2.99 | per month |
| Pro - Yearly | $12.99 | per year |
| Pro - Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Chapters free?

Chapters costs $9.99, with no in-app purchases.

### Is Zin Flow free?

Zin Flow is free to download, with in-app purchases available.

### Which has better reviews, Chapters or Zin Flow?

Zin Flow is rated higher. Chapters averages 4.0 out of 5 from 2 ratings, while Zin Flow averages 5.0 from 3 ratings.

### Do Chapters or Zin Flow have ads?

Zin Flow shows ads; Chapters does not.

### Which is updated more often, Chapters or Zin Flow?

Chapters ships an update every 7 months, and Zin Flow every 10 days. Most recently, Chapters was updated on October 24, 2026 and Zin Flow on October 30, 2026.

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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.*