# 教你炒股票108课 vs CHM Reader

The clearest difference is review sentiment: 教你炒股票108课 at 100% against CHM Reader's 43%. 教你炒股票108课 also leads on iOS requirement (9.0 vs 16). CHM Reader's advantage is update cadence (monthly vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 教你炒股票108课 sells 1 one-off in-app purchase and CHM Reader sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

教你炒股票108课 ships an update every 6 months, CHM Reader monthly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 教你炒股票108课 | CHM Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chm-reader-read-chm-txt/id6758199572/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **100.0% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 274 MB | 19 MB |
| Requires iOS | **9.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [红 陈](https://appshunter.io/developer/1089407168) | [灿耿 陈](https://appshunter.io/developer/1688324562) |

## What reviewers say

### 教你炒股票108课

[App page](https://appshunter.io/ios/app/108/id651284855)

This app provides access to the original teachings of Chan Theory, a comprehensive stock market analysis method. It emphasizes direct study of the author's work and practical application for mastering the theory and achieving profitability.

**Highlights:** Original Chan Theory content, Stock selection principles, Market analysis techniques, Practical application guidance, Historical market predictions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 所有语音 | $3.99 | one-time |


### CHM Reader

[App page](https://appshunter.io/ios/app/chm-reader-read-chm-txt/id6758199572)

This app provides a streamlined and efficient way to read CHM and TXT documents. It offers features like smart table of contents navigation, full-text search, adjustable font sizes, and night mode for a comfortable reading experience.

**Highlights:** Professional CHM format support, Smart Table of Contents navigation, Full-text search, Adjustable font size, Night mode, Bookmark collection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly members | $1.99 | per 7 days |
| Annual Subscription | $4.99 | per year |
| Lifetime Membership | $6.99 | one-time |


## Frequently asked questions

### Is 教你炒股票108课 free?

教你炒股票108课 is free to download, with in-app purchases available.

### Is CHM Reader free?

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

### Do 教你炒股票108课 or CHM Reader have ads?

Neither 教你炒股票108课 nor CHM Reader shows ads.

### Which is updated more often, 教你炒股票108课 or CHM Reader?

教你炒股票108课 ships an update every 6 months, and CHM Reader monthly. Most recently, 教你炒股票108课 was updated on October 23, 2026 and CHM Reader 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.*