# CHM Reader vs 全能阅读器

The clearest difference is iOS requirement: 全能阅读器 at 15.0 against CHM Reader's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CHM Reader sells 2 one-off in-app purchases and 全能阅读器 sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

CHM Reader ships an update weekly, 全能阅读器 every 6 days. The most recent releases landed on October 18, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | CHM Reader | 全能阅读器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6745007192/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 16 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [文利 罗](https://appshunter.io/developer/1743701483) | [宁伟 陈](https://appshunter.io/developer/1801975672) |

## What reviewers say

### CHM Reader

[App page](https://appshunter.io/ios/app/chm-reader-offline-and-pdf/id6502591888)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| chm阅读器会员 | $1.99 | one-time |
| chm阅读器永久会员 | $1.99 | one-time |


### 全能阅读器

[App page](https://appshunter.io/ios/app/id6745007192)

This app offers a versatile reading experience for various ebook formats, allowing extensive customization of fonts, spacing, and themes for comfortable, immersive reading. It also provides robust file management and privacy features, keeping your library secure and organized locally.

**Highlights:** Supports over 15 ebook formats, Highly customizable reading experience, Eye-care and night modes, App and file encryption for privacy, Built-in file management, Smart chapter parsing for TXT files, Multiple import methods

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版(月) | $2.99 | per month |
| 专业版(年) | $6.99 | per year |
| 专业版 | $14.99 | per year |
| 月会员 | $2.99 | one-time |
| 专业版·终身会员(限时特惠) | $19.99 | one-time |
| Pro 专业版 | $24.99 | one-time |


## Frequently asked questions

### Is CHM Reader free?

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

### Is 全能阅读器 free?

全能阅读器 is free to download, with in-app purchases available.

### Do CHM Reader or 全能阅读器 have ads?

Neither CHM Reader nor 全能阅读器 shows ads.

### Which is updated more often, CHM Reader or 全能阅读器?

CHM Reader ships an update weekly, and 全能阅读器 every 6 days. Most recently, CHM Reader was updated on October 18, 2026 and 全能阅读器 on October 26, 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.*