# 注册安全工程师题库 vs 安全工程师鸣题库

The clearest difference is update cadence: 安全工程师鸣题库 at monthly against 注册安全工程师题库's every 6 months. 注册安全工程师题库's advantage is iOS requirement (9.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 注册安全工程师题库 sells 3 one-off in-app purchases and 安全工程师鸣题库 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

注册安全工程师题库 ships an update every 6 months, 安全工程师鸣题库 monthly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 注册安全工程师题库 | 安全工程师鸣题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 8 MB | 114 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [磊 陈](https://appshunter.io/developer/1535417260) | [英杰 邹](https://appshunter.io/developer/1797330502) |

## What reviewers say

### 注册安全工程师题库

[App page](https://appshunter.io/ios/app/2025/id1573380792)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月卡 | $8.99 | one-time |
| 年卡 | $9.99 | one-time |
| 三年卡 | $14.99 | one-time |


### 安全工程师鸣题库

[App page](https://appshunter.io/ios/app/id6743142946)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 安全工程师1个月会员 | $3.99 | one-time |
| 安全工程师9个月会员 | $4.99 | one-time |
| 安全工程师12个月会员 | $7.99 | one-time |
| 安全工程师24个月会员 | $9.99 | one-time |


## Frequently asked questions

### Is 注册安全工程师题库 free?

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

### Is 安全工程师鸣题库 free?

安全工程师鸣题库 is free to download, with in-app purchases available.

### Do 注册安全工程师题库 or 安全工程师鸣题库 have ads?

Neither 注册安全工程师题库 nor 安全工程师鸣题库 shows ads.

### Which is updated more often, 注册安全工程师题库 or 安全工程师鸣题库?

注册安全工程师题库 ships an update every 6 months, and 安全工程师鸣题库 monthly. Most recently, 注册安全工程师题库 was updated on October 9, 2026 and 安全工程师鸣题库 on October 7, 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.*