# CHM阅读器专业版 vs QR Scene Wallet

The clearest difference is in-app purchases: QR Scene Wallet at none against CHM阅读器专业版's 3. CHM阅读器专业版's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. QR Scene Wallet asks for nothing beyond the download.

CHM阅读器专业版 ships an update every 10 days, QR Scene Wallet every 3 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CHM阅读器专业版 | QR Scene Wallet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 8 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [宁伟 陈](https://appshunter.io/developer/1801975672) | [游 路](https://appshunter.io/developer/1479534234) |

## What reviewers say

### CHM阅读器专业版

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

This app is a professional reader designed for CHM electronic documents. It allows you to easily open and read software manuals, API documentation, study materials, and personal ebooks on your mobile device. Enjoy a comfortable reading experience with full parsing of CHM directory structures and fast chapter browsing.

**Highlights:** CHM document reader, Full CHM directory structure parsing, Fast chapter browsing, Text search functionality, View technical documentation, Preserves original document structure

**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 |


### QR Scene Wallet

[App page](https://appshunter.io/ios/app/qr-scene-wallet/id6784486977)

**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 QR Scene Wallet free?

QR Scene Wallet is free to download, with no in-app purchases.

### Do CHM阅读器专业版 or QR Scene Wallet have ads?

Neither CHM阅读器专业版 nor QR Scene Wallet shows ads.

### Which is updated more often, CHM阅读器专业版 or QR Scene Wallet?

CHM阅读器专业版 ships an update every 10 days, and QR Scene Wallet every 3 weeks. Most recently, CHM阅读器专业版 was updated on November 8, 2026 and QR Scene Wallet on October 31, 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.*