# 硬笔书法 vs CHM阅读器专业版

The clearest difference is review sentiment: CHM阅读器专业版 at 57% against 硬笔书法's 0%. CHM阅读器专业版 also leads on update cadence (every 11 days vs every 14 months) and iOS requirement (15.6 vs 17.0). 硬笔书法's advantage is in-app purchases (none vs 3). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. CHM阅读器专业版 sells 3 in-app purchases, starting at $1.99 per month. 硬笔书法 asks for nothing beyond the download.

硬笔书法 ships an update every 14 months, CHM阅读器专业版 every 11 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 硬笔书法 | CHM阅读器专业版 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **57.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 11 days** |
| Monetization | Paid | Paid |
| Size | 62 MB | 8 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文利 罗](https://appshunter.io/developer/1743701483) | [宁伟 陈](https://appshunter.io/developer/1801975672) |

## What reviewers say

### 硬笔书法

[App page](https://appshunter.io/ios/app/id6502593031)

Create personalized calligraphy practice sheets for various script styles. Learn and improve your handwriting with a rich library of examples and professional guidance.

**Highlights:** Customizable practice sheet generator, Multiple calligraphy script styles (Kai, Xing, Zhuan), Extensive library of calligraphy examples, Professional guidance for skill improvement, Digital learning companion for calligraphy

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

**In-app purchases:** none


### CHM阅读器专业版

[App page](https://appshunter.io/ios/app/chm/id6746235244)

Easily view CHM files on your iPhone or iPad. This professional reader supports opening documents from various sources, offers quick navigation via table of contents, and includes full-text search. Enjoy comfortable reading with Dark Mode support.

**Highlights:** Open CHM files from Files, Mail, Safari, Automatic table of contents parsing, Full-text search, Dark Mode support, View help documents and tech manuals

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $1.99 | per month |
| 年度会员 | $9.99 | per year |
| 永久会员 | $12.99 | one-time |


## Frequently asked questions

### Is 硬笔书法 free?

硬笔书法 is free to download, with no in-app purchases.

### Is CHM阅读器专业版 free?

CHM阅读器专业版 is free to download, with in-app purchases available.

### Do 硬笔书法 or CHM阅读器专业版 have ads?

Neither 硬笔书法 nor CHM阅读器专业版 shows ads.

### Which is updated more often, 硬笔书法 or CHM阅读器专业版?

硬笔书法 ships an update every 14 months, and CHM阅读器专业版 every 11 days. Most recently, 硬笔书法 was updated on November 4, 2026 and CHM阅读器专业版 on November 5, 2026.

---

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