# ChmPlus Pro vs Epub Reader

The clearest difference is price: Epub Reader at Free against ChmPlus Pro's $6.99. Epub Reader also leads on rating (4.5 vs 2.7) and ratings volume (11K vs 9). ChmPlus Pro's advantage is in-app purchases (none vs 4) and ads (none vs shown). On review sentiment, update cadence and device support there is nothing between them.

Epub Reader is free to download; ChmPlus Pro costs $6.99 up front. Epub Reader sells 4 in-app purchases, starting at $3.99 per year. ChmPlus Pro asks for nothing beyond the download.

Epub Reader holds the better App Store score, 4.5 against 2.7. That said, the two scores are not equally well evidenced: Epub Reader has 11K ratings behind it against 9, so its average is the more settled of the two. Written reviews split almost evenly too, at 54% and 55% positive.

ChmPlus Pro ships an update every 9 days, Epub Reader every 11 days. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ChmPlus Pro | Epub Reader |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | [2.7 (9 ratings)](https://appshunter.io/ios/app/chmplus-pro-chmepub-reader/id441521818/reviews) | **[4.5 (11K ratings)](https://appshunter.io/ios/app/epub-reader-read-epubchmtxt/id1296870631/reviews)** |
| Number of ratings | 9 | **11K** |
| Positive reviews | 54.5% of reviews | **55.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 11 days |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#128** |
| Size | 10 MB | 70 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [兰桂 吴](https://appshunter.io/developer/433671404) | [俐 马](https://appshunter.io/developer/1896144174) |

## What reviewers say

### ChmPlus Pro

[App page](https://appshunter.io/ios/app/chmplus-pro-chmepub-reader/id441521818)

This app allows you to read and manage various document formats, including CHM and EPUB ebooks. It offers features like highlighting, bookmarking, searching, and file transfer. Secure your documents with a passcode lock and organize your files with ease.

**Highlights:** CHM/EPUB document reading, Highlight, bookmark, and annotate, Document-wide search, Wi-Fi and iTunes file transfer, Passcode lock for files, Support for multiple file types, Create and edit text documents

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Generally good for CHM files
- 🚀 Fast opening of files
- 🔍 Powerful search function
- 📂 Good file organization
- ✨ Clean interface

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Highlighting issues (not working, disappearing)
- 🐛 Displaying Chinese characters as garbled text (亂碼)
- 🐛 Slow copy/paste and search response
- 🐛 Some CHM files not fully opening

**Reported bugs**

- Chinese characters displayed as garbled text (亂碼)
- Search feature broken for numbers (recent)
- Copying is slow
- App crashes when searching
- Editing text feature removed after update

**Requested features**

- Adjustable font size
- PDF left-right page turning
- EPUB file support
- Expand/collapse table of contents
- Adapt to full-screen displays


### Epub Reader

[App page](https://appshunter.io/ios/app/epub-reader-read-epubchmtxt/id1296870631)

**Currently charting:** #128 Top Free · Book (US App Store)

This app offers a seamless reading experience for various ebook formats including EPUB, PDF, and CHM. It supports multiple compression formats and provides features like table of contents, note-taking, and bookmarking. Customize your reading with adjustable font sizes.

**Highlights:** Supports EPUB, PDF, CHM, RTF formats, Opens compressed files (ZIP, RAR, 7Zip), Table of Contents navigation, Note-taking functionality, Bookmark management, Customizable font size

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual professional version | $3.99 | per year |
| Remove Ads | $0.99 | one-time |
| Passcode Lock | $0.99 | one-time |
| Pro Version | $5.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and responsive
- 💡 Convenient file transfer via WiFi
- 🤩 Great for casual reading

**What reviewers complain about**

- 🐛 Loses bookmarks and reading progress
- 🔍 Lacks search functionality
- 🌗 No dark mode option
- 📏 Limited customization options
- 💤 Doesn't remember last read position

**Reported bugs**

- Crashes when opening certain files
- Distorts images in some ebooks
- Fails to open ePub files consistently

**Requested features**

- Add dark mode
- Improve bookmark and progress tracking
- Implement search feature
- Increase customization options
- Allow variable screen timeout


## Frequently asked questions

### Is ChmPlus Pro free?

ChmPlus Pro costs $6.99, with no in-app purchases.

### Is Epub Reader free?

Epub Reader is free to download, with in-app purchases available.

### Which has better reviews, ChmPlus Pro or Epub Reader?

Epub Reader is rated higher. ChmPlus Pro averages 2.7 out of 5 from 9 ratings, while Epub Reader averages 4.5 from 11K ratings.

### Do ChmPlus Pro or Epub Reader have ads?

Epub Reader shows ads; ChmPlus Pro does not.

### Which is updated more often, ChmPlus Pro or Epub Reader?

ChmPlus Pro ships an update every 9 days, and Epub Reader every 11 days. Most recently, ChmPlus Pro was updated on September 25, 2026 and Epub Reader on September 24, 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.*