# CHMate+ vs ClassBook

The clearest difference is price: ClassBook at Free against CHMate+'s $9.99. ClassBook also leads on rating (4.8 vs 3.8) and review sentiment (84% vs 61%). CHMate+'s advantage is in-app purchases (none vs 4) and update cadence (every 2 weeks vs every 2 months). On ratings volume, ads and device support there is nothing between them.

ClassBook is free to download; CHMate+ costs $9.99 up front. ClassBook sells 4 in-app purchases, starting at $2.99 per month. CHMate+ asks for nothing beyond the download.

ClassBook holds the better App Store score, 4.8 against 3.8. Both are backed by a comparable volume of ratings — 8 and 16 respectively. Written reviews point the same way: 61% of CHMate+'s written reviews are positive against 84% of ClassBook's.

CHMate+ ships an update every 2 weeks, ClassBook every 2 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | CHMate+ | ClassBook |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.8 (8 ratings)](https://appshunter.io/ios/app/chmate-plus-epub-and-chm-reader/id324516521/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/classbook-suivi-de-lecture/id630108040/reviews)** |
| Number of ratings | 8 | **16** |
| Positive reviews | 60.9% of reviews | **84.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Freemium |
| Best chart rank | **#154** | — |
| Size | 51 MB | 36 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [贤安 陈](https://appshunter.io/developer/318015371) | [Aurelien WOLFERT](https://appshunter.io/developer/630108043) |

## What reviewers say

### CHMate+

[App page](https://appshunter.io/ios/app/chmate-plus-epub-and-chm-reader/id324516521)

**Currently charting:** #154 Top Paid · Book (US App Store)

This app provides a robust reading experience for EPUB and CHM eBooks. Organize your library, add bookmarks and notes, and easily search for text. Customize your reading with adjustable fonts and brightness, and share passages with friends.

**Highlights:** Organize files into personal collections, Add bookmarks and notes, Customizable fonts and line height, Built-in search feature, Share quotes with friends, Adjustable screen brightness

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great CHM reader
- 👍 Smooth navigation
- 👍 Customizable text formatting
- 👍 Useful annotation features
- 👍 Reliable and stable

**What reviewers complain about**

- 🐛 Crashes and freezes after updates
- 🐛 Compatibility issues with some CHM files
- 🔍 Limited search functionality
- 📂 Lack of file management options
- 💰 Expensive for a CHM reader

**Reported bugs**

- Crashes when searching within documents
- Table of contents not syncing with current position
- Highlighting and annotations not working reliably
- Issues with opening and loading certain CHM files

**Requested features**

- Full-text search across documents
- Folder organization for files
- Improved image handling and zooming
- Sync with cloud storage services
- Ability to rename files


### ClassBook

[App page](https://appshunter.io/ios/app/classbook-suivi-de-lecture/id630108040)

Manage your book collection, track reading progress, and discover new titles. Organize your library, set reading goals, and compare prices for wishlisted books. Features include reading sessions, loan tracking, and community trends.

**Highlights:** Create and manage book library, Search and filter books by ISBN, ASIN, or barcode scan, Create wishlists with price comparison, Track reading sessions and speed, Manage book loans, View reading statistics and trends, Participate in reading challenges

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Mensuel) | $2.99 | per month |
| Premium (Annuel) | $22.99 | per year |
| Bibliothèque illimitée | $1.99 | one-time |
| Synchronisation en temps réel | $1.99 | one-time |


## Frequently asked questions

### Is CHMate+ free?

CHMate+ costs $9.99, with no in-app purchases.

### Is ClassBook free?

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

### Which has better reviews, CHMate+ or ClassBook?

ClassBook is rated higher. CHMate+ averages 3.8 out of 5 from 8 ratings, while ClassBook averages 4.8 from 16 ratings.

### Do CHMate+ or ClassBook have ads?

Neither CHMate+ nor ClassBook shows ads.

### Which is updated more often, CHMate+ or ClassBook?

CHMate+ ships an update every 2 weeks, and ClassBook every 2 months. Most recently, CHMate+ was updated on October 31, 2026 and ClassBook on November 1, 2026.

---

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