# 四级词汇CET4核心必考单词专业版HD vs Astral Essences

The clearest difference is in-app purchases: Astral Essences at none against 四级词汇CET4核心必考单词专业版HD's 1. 四级词汇CET4核心必考单词专业版HD's advantage is ads (none vs shown) and ratings volume (7 vs 1). On price, rating 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. Astral Essences asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 四级词汇CET4核心必考单词专业版HD against 5.0 for Astral Essences. That said, the two scores are not equally well evidenced: 四级词汇CET4核心必考单词专业版HD has 7 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | 四级词汇CET4核心必考单词专业版HD | Astral Essences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/cet4hd/id616011687/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/astral-essences/id1619706860/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | — |
| Monetization | **Free** | Ad-supported |
| Size | 102 MB | 42 MB |
| Requires iOS | **11.0** | 14.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [怡怡 沈](https://appshunter.io/developer/582667064) | [Claire Mitchell](https://appshunter.io/developer/1619706862) |

## 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 |


### Astral Essences

[App page](https://appshunter.io/ios/app/astral-essences/id1619706860)

Explore a comprehensive guide to essential oils, their history, uses, and benefits. Discover new products, learn application techniques, and find oils tailored to your Zodiac sign and Chakras. This app is updated daily to provide the latest information.

**Highlights:** Essential oil history and uses, Product and blend discovery, Application charts, Zodiac and Chakra-based oil recommendations, Customizable favorites list, Daily updates

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 Astral Essences free?

Astral Essences is free to download, with no in-app purchases.

### Which has better reviews, 四级词汇CET4核心必考单词专业版HD or Astral Essences?

四级词汇CET4核心必考单词专业版HD and Astral Essences are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do 四级词汇CET4核心必考单词专业版HD or Astral Essences have ads?

Astral Essences shows ads; 四级词汇CET4核心必考单词专业版HD does not.

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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.*