# 监理工程师 vs 安全工程师快题库

The clearest difference is in-app purchases: 安全工程师快题库 at none against 监理工程师's 10. 安全工程师快题库 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). 监理工程师's advantage is iOS requirement (12.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. 监理工程师 sells 10 one-off in-app purchases. 安全工程师快题库 asks for nothing beyond the download.

监理工程师 ships an update every 3 months, 安全工程师快题库 every 3 weeks. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 监理工程师 | 安全工程师快题库 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 86 MB | 13 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Changsha Xisai Liman Education Technology Co., Ltd](https://appshunter.io/developer/1466745593) | [北京环球兴学科技发展有限公司](https://appshunter.io/developer/656528480) |

## What reviewers say

### 监理工程师

[App page](https://appshunter.io/ios/app/id1487915088)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1学币 | $0.99 | one-time |
| 10学币 | $0.99 | one-time |
| 40学币 | $5.99 | one-time |
| 50学币 | $6.99 | one-time |
| 三个月题库 | $11.99 | one-time |
| 三个月找答案+题库 | $14.99 | one-time |
| 100学币 | $14.99 | one-time |
| 120学币 | $17.99 | one-time |
| 150学币 | $19.99 | one-time |
| 300学币 | $39.99 | one-time |


### 安全工程师快题库

[App page](https://appshunter.io/ios/app/id6767442425)

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

**In-app purchases:** none


## Frequently asked questions

### Is 监理工程师 free?

监理工程师 is free to download, with in-app purchases available.

### Is 安全工程师快题库 free?

安全工程师快题库 is free to download, with no in-app purchases.

### Do 监理工程师 or 安全工程师快题库 have ads?

监理工程师 shows ads; 安全工程师快题库 does not.

### Which is updated more often, 监理工程师 or 安全工程师快题库?

监理工程师 ships an update every 3 months, and 安全工程师快题库 every 3 weeks. Most recently, 监理工程师 was updated on September 22, 2026 and 安全工程师快题库 on September 21, 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.*