# CHMate vs S2C

The clearest difference is in-app purchases: S2C at none against CHMate's 1. S2C also leads on iOS requirement (12.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. CHMate sells 1 one-off in-app purchase. S2C asks for nothing beyond the download.

## The numbers

| Metric | CHMate | S2C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (20 ratings)](https://appshunter.io/ios/app/chmate-epub-and-chm-reader/id335157929/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 55.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 35 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [贤安 陈](https://appshunter.io/developer/318015371) | [THE FIXT DESENVOLVIMENTO DE SOFTWARES LTDA](https://appshunter.io/developer/1225969887) |

## 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


### S2C

[App page](https://appshunter.io/ios/app/s2c/id6443681828)

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

**In-app purchases:** none


## Frequently asked questions

### Is CHMate free?

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

### Is S2C free?

S2C is free to download, with no in-app purchases.

### Do CHMate or S2C have ads?

Neither CHMate nor S2C shows ads.

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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.*