# 安全员鸣题库 vs 安全员考试学知题

The clearest difference is iOS requirement: 安全员考试学知题 at 13.0 against 安全员鸣题库's 16.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 安全员鸣题库 sells 4 one-off in-app purchases and 安全员考试学知题 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 安全员鸣题库 | 安全员考试学知题 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 686 MB | 28 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [英杰 邹](https://appshunter.io/developer/1797330502) | [修虎 梁](https://appshunter.io/developer/1536720402) |

## What reviewers say

### 安全员鸣题库

[App page](https://appshunter.io/ios/app/2026abc/id6743377576)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有效期为1个月安全员会员 | $4.99 | one-time |
| 有效期为3个月安全员会员 | $6.99 | one-time |
| 有效期为6个月安全员会员 | $7.99 | one-time |
| 有效期为12个月安全员会员 | $9.99 | one-time |


### 安全员考试学知题

[App page](https://appshunter.io/ios/app/id6777349933)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 安全员题库30天会员 | $6.99 | one-time |
| 安全员题库90天会员 | $14.99 | one-time |
| 安全员题库180天会员 | $19.99 | one-time |
| 安全员题库365天会员 | $29.99 | one-time |


## Frequently asked questions

### Is 安全员鸣题库 free?

安全员鸣题库 is free to download, with in-app purchases available.

### Is 安全员考试学知题 free?

安全员考试学知题 is free to download, with in-app purchases available.

### Do 安全员鸣题库 or 安全员考试学知题 have ads?

Neither 安全员鸣题库 nor 安全员考试学知题 shows ads.

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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.*