# HD云观众 vs 在线互动课堂

HD云观众 and 在线互动课堂 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HD云观众 ships an update every 2 months, 在线互动课堂 monthly. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | HD云观众 | 在线互动课堂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id1496938686/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 187 MB | 90 MB |
| Requires iOS | 10.0 | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [创盛视联数码科技(北京)有限公司](https://appshunter.io/developer/1491107623) | [XINTUOYUN (BEIJING) TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1239443308) |

## What reviewers say

### HD云观众

[App page](https://appshunter.io/ios/app/hd/id1448011007)

**In-app purchases:** none


### 在线互动课堂

[App page](https://appshunter.io/ios/app/id1496938686)

**In-app purchases:** none


## Frequently asked questions

### Is HD云观众 free?

HD云观众 is free to download, with no in-app purchases.

### Is 在线互动课堂 free?

在线互动课堂 is free to download, with no in-app purchases.

### Do HD云观众 or 在线互动课堂 have ads?

Neither HD云观众 nor 在线互动课堂 shows ads.

### Which is updated more often, HD云观众 or 在线互动课堂?

HD云观众 ships an update every 2 months, and 在线互动课堂 monthly. Most recently, HD云观众 was updated on October 11, 2026 and 在线互动课堂 on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*