# 注册安全工程师 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 注册安全工程师's 4. 安全工程师快题库 also leads on iOS requirement (14.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 注册安全工程师 sells 4 one-off in-app purchases. 安全工程师快题库 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 注册安全工程师 | 安全工程师快题库 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 80 MB | 13 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [海婷 黄](https://appshunter.io/developer/1833119393) | [北京环球兴学科技发展有限公司](https://appshunter.io/developer/656528480) |

## What reviewers say

### 注册安全工程师

[App page](https://appshunter.io/ios/app/2026/id6751375551)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 使用期限3个月的VIP会员 | $3.99 | one-time |
| 使用期限9个月的VIP会员 | $4.99 | one-time |
| 使用期限15个月的VIP会员 | $7.99 | one-time |
| 使用期限27个月的VIP会员 | $9.99 | 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 注册安全工程师 free?

注册安全工程师 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 注册安全工程师 or 安全工程师快题库 have ads?

Neither 注册安全工程师 nor 安全工程师快题库 shows ads.

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

注册安全工程师 ships an update every 3 weeks, and 安全工程师快题库 every 3 weeks. Most recently, 注册安全工程师 was updated on September 13, 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.*