# 四级CET-4英语考试大纲核心进阶词汇含语音频专业版HD — 单词记忆红宝书系列

> Offline vocabulary memorization tool using forgetting curve for long-term retention. (iPhone/iPad app by 水萍 林.)

- Source: https://appshunter.io/ios/app/cet-4hd/id687805235 (this page in markdown: same URL + `.md`)
- Developer: [水萍 林](https://appshunter.io/developer/664555715)
- Category: Reference, Education
- Price: Free with in-app purchases
- Rating: 4.00/5 from 1 App Store ratings · 21 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 103 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2013-08-28
- Data updated: 2026-08-12
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/cet-4hd/id687805235/reviews.md

## What is 四级CET?

融合艾宾浩斯(Ebbinghaus)记忆曲线, 综合众多背单词使用者的实战经验, 通过与用户的简单交互, 利用人脑记忆黄金序列法找到学习者的记忆遗忘点，据此调整学习与复习进度，以达到长时记忆的效果。 

所有内容均为离线模式，不需要连接互联网，软件支持iPhone、iPod touch、iPad等各版本的软硬件设备

## Key features

- Ebbinghaus forgetting curve integration
- User interaction for personalized learning
- Optimized learning and review schedule
- Long-term memory enhancement
- Offline content access
- Supports iPhone, iPod touch, and iPad

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 四级词汇完整版 | $2.99 | one-time |


## Recent user reviews (10 of 21)

All indexed reviews: https://appshunter.io/ios/app/cet-4hd/id687805235/reviews.md

### 1/5 — 垃圾

*2018-02-26*

这么智障的软件 不过a就看不了b的 还有很多人说好？

### 5/5 — 好

*2017-07-31*

好用不亏

### 3/5 — 应用挺好，广告太多，既然可以优惠购买去广告，怎么购买价又是原价？

*2015-12-28*

应用挺好，广告太多，既然可以优惠购买去广告，怎么购买价又是原价？

### 5/5 — 一款超值的软件

*2015-09-28*

非常好用概括了大量的单词

### 5/5 — 评价

*2014-12-14*

还不错，就是有时候想不起来用。

### 5/5 — 不错

*2014-11-16*

可以了

### 5/5 — 喜欢乱序的孩子

*2014-08-15*

挺好的，不过就是正序，觉得没有乱序好背背。

### 5/5 — 很好

*2014-07-08*

值得推荐

### 5/5 — 挺好

*2014-05-25*

不错的软件

### 1/5 — 内购的问题

*2014-05-06*

当你学习了300个单词的时候，就必须要付费才能用

## Frequently asked questions about 四级CET

### What is the short name for 四级CET-4英语考试大纲核心进阶词汇含语音频专业版HD?

The short name for the app is CET-4.

### How does CET-4 help users remember vocabulary?

CET-4 utilizes the Ebbinghaus forgetting curve and user interaction to identify forgetting points, adjusting the learning and review schedule to achieve long-term memory.

### Is CET-4 available offline?

Yes, all content within CET-4 is available in offline mode, meaning it does not require an internet connection to use.

### What devices does CET-4 support?

CET-4 supports iPhone, iPod touch, and iPad devices.

### What is the user rating for CET-4?

CET-4 has a rating of 4.0 stars from 1 rating.

### When was CET-4 last updated?

The latest version of CET-4 was updated on June 13, 2020.

### What is the age rating for CET-4?

CET-4 has an age rating of 4+.

### Does CET-4 have ads?

No, CET-4 does not contain advertisements.

## Version history (last 5 releases)

### 15.02 — 2020-06-13

- 修復bug

### 15.01 — 2020-05-27

- 修複數據錯誤

### 10.01 — 2019-07-16

- 修復生詞本內容添加錯誤

### 9.02 — 2016-08-29

- bug fix

### 9.01 — 2016-03-26

- 單詞內容校正優化 & bug fix

## Apps similar to 四级CET

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [词力.大学英语](https://appshunter.io/ios/app/id1579470441) | — | Free | Reference |

## More apps by 水萍 林

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All apps by 水萍 林: https://appshunter.io/developer/664555715

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*