# 雅思必备词汇 vs 注册安全工程师华云题库

The clearest difference is in-app purchases: 雅思必备词汇 at none against 注册安全工程师华云题库's 3. 雅思必备词汇 also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 注册安全工程师华云题库 sells 3 one-off in-app purchases. 雅思必备词汇 asks for nothing beyond the download.

雅思必备词汇 ships an update every 3 weeks, 注册安全工程师华云题库 every 5 weeks. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | 雅思必备词汇 | 注册安全工程师华云题库 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/id476564375/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 280 MB | 48 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [超 刘](https://appshunter.io/developer/476564378) | [Sichuan Palm Cloud Technology Co., Ltd.](https://appshunter.io/developer/983183897) |

## What reviewers say

### 雅思必备词汇

[App page](https://appshunter.io/ios/app/id476564375)

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

**In-app purchases:** none


### 注册安全工程师华云题库

[App page](https://appshunter.io/ios/app/2026/id6745993301)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 注安题库vip半年包 | $3.99 | one-time |
| 注安题库vip一年包 | $5.99 | one-time |
| 注安vip三年包 | $8.99 | one-time |


## Frequently asked questions

### Is 雅思必备词汇 free?

雅思必备词汇 is free to download, with no in-app purchases.

### Is 注册安全工程师华云题库 free?

注册安全工程师华云题库 is free to download, with in-app purchases available.

### Do 雅思必备词汇 or 注册安全工程师华云题库 have ads?

Neither 雅思必备词汇 nor 注册安全工程师华云题库 shows ads.

### Which is updated more often, 雅思必备词汇 or 注册安全工程师华云题库?

雅思必备词汇 ships an update every 3 weeks, and 注册安全工程师华云题库 every 5 weeks. Most recently, 雅思必备词汇 was updated on October 10, 2026 and 注册安全工程师华云题库 on October 23, 2026.

---

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