# 易云网校 vs 注册安全工程师题库2025官方大纲

The clearest difference is update cadence: 注册安全工程师题库2025官方大纲 at every 3 months against 易云网校's every 12 months. 易云网校's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 易云网校 sells 1 one-off in-app purchase and 注册安全工程师题库2025官方大纲 sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

易云网校 ships an update every 12 months, 注册安全工程师题库2025官方大纲 every 3 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 易云网校 | 注册安全工程师题库2025官方大纲 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Size | 39 MB | 70 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [菊花 张](https://appshunter.io/developer/1678039299) | [Chongqing Kaixin network technology Co., LTD](https://appshunter.io/developer/1809882583) |

## What reviewers say

### 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 |


### 注册安全工程师题库2025官方大纲

[App page](https://appshunter.io/ios/app/2025/id6745240962)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 开通会员3个月 | $3.99 | one-time |
| 开通会员9个月 | $4.99 | one-time |
| 开通会员12个月 | $7.99 | one-time |
| 开通会员24个月 | $12.99 | one-time |
| 购买视频课程12个月 | $22.99 | one-time |
| 购买套餐视频课程12个月 | $29.99 | one-time |
| 购买精品视频课程12个月 | $39.99 | one-time |
| 购买无忧视频课程12个月 | $79.99 | one-time |


## Frequently asked questions

### Is 易云网校 free?

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

### Is 注册安全工程师题库2025官方大纲 free?

注册安全工程师题库2025官方大纲 is free to download, with in-app purchases available.

### Do 易云网校 or 注册安全工程师题库2025官方大纲 have ads?

Neither 易云网校 nor 注册安全工程师题库2025官方大纲 shows ads.

### Which is updated more often, 易云网校 or 注册安全工程师题库2025官方大纲?

易云网校 ships an update every 12 months, and 注册安全工程师题库2025官方大纲 every 3 months. Most recently, 易云网校 was updated on October 6, 2026 and 注册安全工程师题库2025官方大纲 on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*