# 注册安全工程师题库2022 vs 知旅云学训助手

The clearest difference is in-app purchases: 知旅云学训助手 at none against 注册安全工程师题库2022's 8. 知旅云学训助手 also leads on update cadence (every 3 months vs every 36 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 注册安全工程师题库2022 sells 8 one-off in-app purchases. 知旅云学训助手 asks for nothing beyond the download.

注册安全工程师题库2022 ships an update every 36 months, 知旅云学训助手 every 3 months. The most recent releases landed on October 30, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 注册安全工程师题库2022 | 知旅云学训助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 3 months** |
| Size | 43 MB | 31 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Qianhaitiantian Financial Investment Service Co., Ltd.](https://appshunter.io/developer/1255477419) | [Jiangsu Feifan Intelligent Travel Information Technology Co Ltd](https://appshunter.io/developer/1601338147) |

## What reviewers say

### 注册安全工程师题库2022

[App page](https://appshunter.io/ios/app/2022/id1578466865)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP1个月 | $3.99 | one-time |
| VIP9个月 | $4.99 | one-time |
| VIP12个月 | $7.99 | one-time |
| VIP24个月 | $12.99 | one-time |
| 价值98元的课程 | $14.99 | one-time |
| 价值198元的课程 | $29.99 | one-time |
| 价值298元的课程 | $46.99 | one-time |
| 价值388元的课程 | $59.99 | one-time |


### 知旅云学训助手

[App page](https://appshunter.io/ios/app/id1604706715)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 注册安全工程师题库2022 free?

注册安全工程师题库2022 is free to download, with in-app purchases available.

### Is 知旅云学训助手 free?

知旅云学训助手 is free to download, with no in-app purchases.

### Do 注册安全工程师题库2022 or 知旅云学训助手 have ads?

Neither 注册安全工程师题库2022 nor 知旅云学训助手 shows ads.

### Which is updated more often, 注册安全工程师题库2022 or 知旅云学训助手?

注册安全工程师题库2022 ships an update every 36 months, and 知旅云学训助手 every 3 months. Most recently, 注册安全工程师题库2022 was updated on October 30, 2026 and 知旅云学训助手 on October 17, 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.*