# 護理學錄像 vs 安全工程师题库2021

The clearest difference is in-app purchases: 護理學錄像 at none against 安全工程师题库2021's 9. 安全工程师题库2021's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 安全工程师题库2021 sells 9 one-off in-app purchases. 護理學錄像 asks for nothing beyond the download.

護理學錄像 ships an update every 17 months, 安全工程师题库2021 every 13 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 護理學錄像 | 安全工程师题库2021 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 13 months** |
| Size | 8 MB | 48 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Hong Kong Metropolitan University](https://appshunter.io/developer/432474107) | [盼 朱](https://appshunter.io/developer/1708664205) |

## What reviewers say

### 護理學錄像

[App page](https://appshunter.io/ios/app/id477426168)

**Features:** macOS Compatibility

**In-app purchases:** none


### 安全工程师题库2021

[App page](https://appshunter.io/ios/app/2021/id1580658966)

**Features:** macOS Compatibility

**In-app purchases (9)**

| 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 |
| 价值488元的课程 | $74.99 | one-time |


## Frequently asked questions

### Is 護理學錄像 free?

護理學錄像 is free to download, with no in-app purchases.

### Is 安全工程师题库2021 free?

安全工程师题库2021 is free to download, with in-app purchases available.

### Do 護理學錄像 or 安全工程师题库2021 have ads?

Neither 護理學錄像 nor 安全工程师题库2021 shows ads.

### Which is updated more often, 護理學錄像 or 安全工程师题库2021?

護理學錄像 ships an update every 17 months, and 安全工程师题库2021 every 13 months. Most recently, 護理學錄像 was updated on November 10, 2026 and 安全工程师题库2021 on November 3, 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.*