# 百川超级案例 vs 注册安全工程师题库2022

The clearest difference is in-app purchases: 百川超级案例 at none against 注册安全工程师题库2022's 8. 百川超级案例 also leads on iOS requirement (9.0 vs 13.0). 注册安全工程师题库2022's advantage is device support. On price there is nothing between them.

Both are free to download. 注册安全工程师题库2022 sells 8 one-off in-app purchases. 百川超级案例 asks for nothing beyond the download.

## The numbers

| Metric | 百川超级案例 | 注册安全工程师题库2022 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 36 months |
| Size | 9 MB | 43 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [征 郑](https://appshunter.io/developer/1455810835) | [Shenzhen Qianhaitiantian Financial Investment Service Co., Ltd.](https://appshunter.io/developer/1255477419) |

## What reviewers say

### 百川超级案例

[App page](https://appshunter.io/ios/app/id1466725272)

**In-app purchases:** none


### 注册安全工程师题库2022

[App page](https://appshunter.io/ios/app/2022/id1578466865)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP1个月 | $3.99 | one-time |
| VIP9个月 | $4.99 | one-time |
| VIP12个月 | $7.99 | one-time |
| VIP24个月 | $12.99 | one-time |
| 价值98元的课程 | $14.99 | one-time |
| 价值198元的课程 | $29.99 | one-time |
| 价值298元的课程 | $46.99 | one-time |
| 价值388元的课程 | $59.99 | one-time |


## Frequently asked questions

### Is 百川超级案例 free?

百川超级案例 is free to download, with no in-app purchases.

### Is 注册安全工程师题库2022 free?

注册安全工程师题库2022 is free to download, with in-app purchases available.

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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.*