# 注册安全工程师题库 vs 易云网校

The clearest difference is update cadence: 注册安全工程师题库 at every 2 months against 易云网校's every 12 months. 注册安全工程师题库 also leads on iOS requirement (9.0 vs 11.0). 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 7 one-off in-app purchases and 易云网校 sells 1 one-off in-app purchase. 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 2 months, 易云网校 every 12 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | 注册安全工程师题库 | 易云网校 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Size | 83 MB | 39 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuwei Xu](https://appshunter.io/developer/1535128854) | [菊花 张](https://appshunter.io/developer/1678039299) |

## What reviewers say

### 注册安全工程师题库

[App page](https://appshunter.io/ios/app/id1579019787)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 押题套餐包 | $5.99 | one-time |
| 会员体验月卡 | $8.99 | one-time |
| 会员基础年卡 | $9.99 | one-time |
| 尊享二年套餐 | $14.99 | one-time |
| 两年特惠套餐 | $19.99 | one-time |
| 课程套餐价格 | $99.99 | one-time |
| 课程套餐价格 | $229.99 | one-time |


### 易云网校

[App page](https://appshunter.io/ios/app/id6449328456)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 安全工程师•化工安全•精讲课 | $299.99 | 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 易云网校 free?

易云网校 is free to download, with in-app purchases available.

### Do 注册安全工程师题库 or 易云网校 have ads?

Neither 注册安全工程师题库 nor 易云网校 shows ads.

### Which is updated more often, 注册安全工程师题库 or 易云网校?

注册安全工程师题库 ships an update every 2 months, and 易云网校 every 12 months. Most recently, 注册安全工程师题库 was updated on October 27, 2026 and 易云网校 on October 27, 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.*