# 约驾校 vs HD云观众

The clearest difference is update cadence: 约驾校 at every 3 weeks against HD云观众's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

约驾校 ships an update every 3 weeks, HD云观众 every 2 months. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 约驾校 | HD云观众 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 147 MB | 187 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [伟 刘](https://appshunter.io/developer/1126201484) | [创盛视联数码科技(北京)有限公司](https://appshunter.io/developer/1491107623) |

## What reviewers say

### 约驾校

[App page](https://appshunter.io/ios/app/id1126201485)

**Features:** macOS Compatibility

**In-app purchases:** none


### HD云观众

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

**In-app purchases:** none


## Frequently asked questions

### Is 约驾校 free?

约驾校 is free to download, with no in-app purchases.

### Is HD云观众 free?

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

### Do 约驾校 or HD云观众 have ads?

Neither 约驾校 nor HD云观众 shows ads.

### Which is updated more often, 约驾校 or HD云观众?

约驾校 ships an update every 3 weeks, and HD云观众 every 2 months. Most recently, 约驾校 was updated on October 2, 2026 and HD云观众 on October 11, 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.*