# 常山水文 vs 保安员考试聚题库

The clearest difference is in-app purchases: 常山水文 at none against 保安员考试聚题库's 9. 常山水文 also leads on iOS requirement (12.0 vs 15.6). 保安员考试聚题库's advantage is device support. On price there is nothing between them.

Both are free to download. 保安员考试聚题库 sells 9 one-off in-app purchases. 常山水文 asks for nothing beyond the download.

## The numbers

| Metric | 常山水文 | 保安员考试聚题库 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 2 months |
| Monetization | — | Free |
| Size | 41 MB | 248 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [辉明 金](https://appshunter.io/developer/1447862985) | [乐 李](https://appshunter.io/developer/1579445420) |

## What reviewers say

### 常山水文

[App page](https://appshunter.io/ios/app/id1563214338)

**In-app purchases:** none


### 保安员考试聚题库

[App page](https://appshunter.io/ios/app/2026/id1580506520)

This app provides comprehensive practice resources for the security guard qualification exam. It offers abundant past exam papers, high-quality mock tests, and intelligent error correction to help users master key points and confidently pass their exams.

**Highlights:** Abundant past exam papers, High-quality mock tests, Intelligent scoring and analysis, Targeted knowledge point practice, Smart error book for weak points, Simulated exam environment

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 搜题-7天会员卡 | $2.99 | one-time |
| 做题-周体验卡 | $2.99 | one-time |
| 做题-月卡 | $2.99 | one-time |
| 搜题-30天会员卡 | $4.99 | one-time |
| 做题-季卡 | $5.99 | one-time |
| 搜题-60天会员卡 | $7.99 | one-time |
| 搜题-90天会员卡 | $9.99 | one-time |
| 做题-半年卡 | $9.99 | one-time |
| 做题-年卡 | $12.99 | one-time |


## Frequently asked questions

### Is 常山水文 free?

常山水文 is free to download, with no in-app purchases.

### Is 保安员考试聚题库 free?

保安员考试聚题库 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.*