# CHMate vs Sổ tay 01 Plus

The clearest difference is update cadence: CHMate at every 2 weeks against Sổ tay 01 Plus's every 6 weeks. Sổ tay 01 Plus's advantage is iOS requirement (15.5 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CHMate sells 1 one-off in-app purchase and Sổ tay 01 Plus sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

CHMate ships an update every 2 weeks, Sổ tay 01 Plus every 6 weeks. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CHMate | Sổ tay 01 Plus |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 41 MB |
| Requires iOS | 26.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 12+ |
| Developer | [贤安 陈](https://appshunter.io/developer/318015371) | [5WEB VIET NAM TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1410113666) |

## What reviewers say

### CHMate

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

Transform your personal ebook files into a comfortable reading experience with a customizable virtual bookshelf. Enjoy tailored typography, import your own fonts, and organize your collection with decorative elements and personal photos. Read EPUB and CHM files offline with powerful search and annotation tools.

**Highlights:** Customizable virtual bookshelf with ambient lighting, Decorate shelves with photos, videos, and ornaments, Tailored typography with adjustable fonts and page colors, Import custom font files, Read EPUB and CHM files offline, Full-text search and annotation tools, Local Wi-Fi file transfer

**Features:** Vision Pro support, iPhone Duo 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


### Sổ tay 01 Plus

[App page](https://appshunter.io/ios/app/so-tay-01-plus/id6757659346)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gói Thành viên (6 tháng) | $7.99 | one-time |
| Gói Chuyên gia (1 Năm) | $14.99 | one-time |


## Frequently asked questions

### Is CHMate free?

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

### Is Sổ tay 01 Plus free?

Sổ tay 01 Plus is free to download, with in-app purchases available.

### Do CHMate or Sổ tay 01 Plus have ads?

Neither CHMate nor Sổ tay 01 Plus shows ads.

### Which is updated more often, CHMate or Sổ tay 01 Plus?

CHMate ships an update every 2 weeks, and Sổ tay 01 Plus every 6 weeks. Most recently, CHMate was updated on November 1, 2026 and Sổ tay 01 Plus on October 25, 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.*