# CHMate vs ChmPlus Pro

The clearest difference is price: CHMate at Free against ChmPlus Pro's $6.99. CHMate also leads on rating (3.9 vs 2.7). ChmPlus Pro's advantage is in-app purchases (none vs 1) and chart position (#196 vs unranked). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

CHMate is free to download; ChmPlus Pro costs $6.99 up front. CHMate sells 1 one-off in-app purchase. ChmPlus Pro asks for nothing beyond the download.

CHMate holds the better App Store score, 3.9 against 2.7. Both are backed by a comparable volume of ratings — 20 and 9 respectively. Written reviews split almost evenly too, at 55% and 54% positive.

CHMate ships an update every 2 weeks, ChmPlus Pro every 9 days. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CHMate | ChmPlus Pro |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[3.9 (20 ratings)](https://appshunter.io/ios/app/chmate-epub-and-chm-reader/id335157929/reviews)** | [2.7 (9 ratings)](https://appshunter.io/ios/app/chmplus-pro-chmepub-reader/id441521818/reviews) |
| Number of ratings | **20** | 9 |
| Positive reviews | **55.3% of reviews** | 54.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#196** |
| Size | 51 MB | 10 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [贤安 陈](https://appshunter.io/developer/318015371) | [兰桂 吴](https://appshunter.io/developer/433671404) |

## What reviewers say

### CHMate

[App page](https://appshunter.io/ios/app/chmate-epub-and-chm-reader/id335157929)

This app offers a robust reading experience for EPUB and CHM eBooks. Organize your library, add bookmarks and notes, and customize your reading environment. Share passages and easily search within your books.

**Highlights:** Organize eBooks into collections, Add bookmarks and notes, Customizable fonts and line height, Fast scrolling and pagination, Highlight favorite passages, Built-in search functionality, Share quotes with friends

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CHMate+ | $9.99 | one-time |

**What reviewers like**

- 👍 Excellent UI/UX design and interface
- 📖 Best CHM file reader available
- ⚡ Fast and smooth performance
- 🎨 Customizable text formatting and fonts
- 🔍 Powerful search functionality

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- ⚠️ iCloud sync deletes files irreversibly
- 💰 Expensive pricing for functionality
- 🔄 Highlighting and annotations don't persist
- 📱 Compatibility issues with iOS updates

**Reported bugs**

- App crashes when searching CHM files
- Crashes when using tap-hold for bookmarking
- Highlighting functionality broken after iOS updates
- Notes and bookmarks not saving properly
- Highlights disappear or move between chapters

**Requested features**

- Dark mode and additional color themes (Sepia)
- Book cover display instead of text-only library view
- PDF support
- Text-to-speech functionality
- Better pagination options


### ChmPlus Pro

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

**Currently charting:** #196 Top Paid · Book (US App Store)

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


## Frequently asked questions

### Is CHMate free?

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

### Is ChmPlus Pro free?

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

### Which has better reviews, CHMate or ChmPlus Pro?

CHMate is rated higher. CHMate averages 3.9 out of 5 from 20 ratings, while ChmPlus Pro averages 2.7 from 9 ratings.

### Do CHMate or ChmPlus Pro have ads?

Neither CHMate nor ChmPlus Pro shows ads.

### Which is updated more often, CHMate or ChmPlus Pro?

CHMate ships an update every 2 weeks, and ChmPlus Pro every 9 days. Most recently, CHMate was updated on October 9, 2026 and ChmPlus Pro on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*