# 书山APP vs 开林云课堂

The clearest difference is in-app purchases: 书山APP at none against 开林云课堂's 6. 书山APP also leads on update cadence (every 8 days vs monthly) and iOS requirement (8.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. 开林云课堂 sells 6 one-off in-app purchases. 书山APP asks for nothing beyond the download.

书山APP ships an update every 8 days, 开林云课堂 monthly. The most recent releases landed on October 2, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 书山APP | 开林云课堂 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Size | 109 MB | 84 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [超 桂](https://appshunter.io/developer/886059841) | [Chongqing Yak Technology Co., Ltd.](https://appshunter.io/developer/1478976472) |

## What reviewers say

### 书山APP

[App page](https://appshunter.io/ios/app/app/id1352912476)

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

**In-app purchases:** none


### 开林云课堂

[App page](https://appshunter.io/ios/app/id1471924814)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1200 | $1.99 | one-time |
| 6800 | $9.99 | one-time |
| 12800 | $19.99 | one-time |
| 28800 | $39.99 | one-time |
| 38800 | $59.99 | one-time |
| 69800 | $99.99 | one-time |


## Frequently asked questions

### Is 书山APP free?

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

### Is 开林云课堂 free?

开林云课堂 is free to download, with in-app purchases available.

### Do 书山APP or 开林云课堂 have ads?

Neither 书山APP nor 开林云课堂 shows ads.

### Which is updated more often, 书山APP or 开林云课堂?

书山APP ships an update every 8 days, and 开林云课堂 monthly. Most recently, 书山APP was updated on October 2, 2026 and 开林云课堂 on October 20, 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.*