# 四级词汇CET4核心必考单词专业版HD vs 一沐考编考编库事业单位ABCDE类

The clearest difference is update cadence: 一沐考编考编库事业单位ABCDE类 at every 3 days against 四级词汇CET4核心必考单词专业版HD's monthly. 一沐考编考编库事业单位ABCDE类 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. 四级词汇CET4核心必考单词专业版HD sells 1 one-off in-app purchase and 一沐考编考编库事业单位ABCDE类 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

四级词汇CET4核心必考单词专业版HD ships an update monthly, 一沐考编考编库事业单位ABCDE类 every 3 days. Both last shipped on October 18, 2026.

## The numbers

| Metric | 四级词汇CET4核心必考单词专业版HD | 一沐考编考编库事业单位ABCDE类 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/cet4hd/id616011687/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 102 MB | 339 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [怡怡 沈](https://appshunter.io/developer/582667064) | [乐乐 胡](https://appshunter.io/developer/1611490147) |

## What reviewers say

### 四级词汇CET4核心必考单词专业版HD

[App page](https://appshunter.io/ios/app/cet4hd/id616011687)

This app helps users memorize English vocabulary for the CET-4 exam using the Ebbinghaus forgetting curve and a personalized learning sequence. It offers offline access, detailed word explanations, and smart task management for efficient long-term memory.

**Highlights:** Ebbinghaus forgetting curve learning, Personalized memory sequence adjustment, Offline vocabulary learning, Detailed word explanations with audio, Smart task management, Word collection and error tracking

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YY背单词CET四级词汇完整版EN | $2.99 | one-time |


### 一沐考编考编库事业单位ABCDE类

[App page](https://appshunter.io/ios/app/abcde-2023/id1621671540)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 获取一个月会员服务 | $0.99 | one-time |
| 一年会员服务 | $7.99 | one-time |
| 永久会员服务 | $14.99 | one-time |


## Frequently asked questions

### Is 四级词汇CET4核心必考单词专业版HD free?

四级词汇CET4核心必考单词专业版HD is free to download, with in-app purchases available.

### Is 一沐考编考编库事业单位ABCDE类 free?

一沐考编考编库事业单位ABCDE类 is free to download, with in-app purchases available.

### Do 四级词汇CET4核心必考单词专业版HD or 一沐考编考编库事业单位ABCDE类 have ads?

Neither 四级词汇CET4核心必考单词专业版HD nor 一沐考编考编库事业单位ABCDE类 shows ads.

### Which is updated more often, 四级词汇CET4核心必考单词专业版HD or 一沐考编考编库事业单位ABCDE类?

四级词汇CET4核心必考单词专业版HD ships an update monthly, and 一沐考编考编库事业单位ABCDE类 every 3 days. Most recently, 四级词汇CET4核心必考单词专业版HD was updated on October 18, 2026 and 一沐考编考编库事业单位ABCDE类 on October 18, 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.*