# 注安网校 vs 注册安全工程师小牛题库

The clearest difference is in-app purchases: 注册安全工程师小牛题库 at none against 注安网校's 4. 注安网校's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. 注安网校 sells 4 one-off in-app purchases. 注册安全工程师小牛题库 asks for nothing beyond the download.

## The numbers

| Metric | 注安网校 | 注册安全工程师小牛题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 8 months | — |
| Size | 184 MB | 52 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Dedao Classroom Education Technology Co., Ltd.](https://appshunter.io/developer/1507531027) | [Hangzhou Kexue Technology Co., Ltd.](https://appshunter.io/developer/1556205586) |

## What reviewers say

### 注安网校

[App page](https://appshunter.io/ios/app/id1507531028)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 108 学习币 | $15.99 | one-time |
| 208 学习币 | $30.99 | one-time |
| 518 学习币 | $79.99 | one-time |
| 1048 学习币 | $159.99 | one-time |


### 注册安全工程师小牛题库

[App page](https://appshunter.io/ios/app/24/id6476246149)

**In-app purchases:** none


## Frequently asked questions

### Is 注安网校 free?

注安网校 is free to download, with in-app purchases available.

### Is 注册安全工程师小牛题库 free?

注册安全工程师小牛题库 is free to download, with no in-app purchases.

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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.*