# CHM阅读器专业版 vs WeConverter

The clearest difference is in-app purchases: WeConverter at none against CHM阅读器专业版's 3. CHM阅读器专业版's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price, update cadence 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. WeConverter asks for nothing beyond the download.

CHM阅读器专业版 ships an update every 10 days, WeConverter weekly. The most recent releases landed on October 18, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CHM阅读器专业版 | WeConverter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Paid | — |
| Size | 7 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [宁伟 陈](https://appshunter.io/developer/1801975672) | [有彬 未](https://appshunter.io/developer/574424339) |

## What reviewers say

### 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

**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 |


### WeConverter

[App page](https://appshunter.io/ios/app/weconverter/id6778076805)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is WeConverter free?

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

### Do CHM阅读器专业版 or WeConverter have ads?

WeConverter shows ads; CHM阅读器专业版 does not.

### Which is updated more often, CHM阅读器专业版 or WeConverter?

CHM阅读器专业版 ships an update every 10 days, and WeConverter weekly. Most recently, CHM阅读器专业版 was updated on October 18, 2026 and WeConverter on September 30, 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.*