# 科圣达 vs 四级单词达人

The clearest difference is in-app purchases: 科圣达 at none against 四级单词达人's 1. 科圣达 also leads on update cadence (every 6 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 四级单词达人 sells 1 one-off in-app purchase. 科圣达 asks for nothing beyond the download.

科圣达 ships an update every 6 days, 四级单词达人 every 3 months. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 科圣达 | 四级单词达人 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 84 MB | 11 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Uah (Suzhou) Network Technology Co., Ltd.](https://appshunter.io/developer/1244675373) | [摇摇 章](https://appshunter.io/developer/1570032236) |

## What reviewers say

### 科圣达

[App page](https://appshunter.io/ios/app/id6475381224)

**In-app purchases:** none


### 四级单词达人

[App page](https://appshunter.io/ios/app/ai/id6484273453)

This app simplifies vocabulary learning for the CET-4 exam. It uses AI to recommend words and track your memory, creating personalized study plans. A daily word widget keeps you on track.

**Highlights:** AI-powered word recommendations, Latest CET-4 vocabulary list, Daily word widget, Memory tracking, Personalized study plans

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 大学英语四级单词达人vip会员 | $0.99 | one-time |


## Frequently asked questions

### Is 科圣达 free?

科圣达 is free to download, with no in-app purchases.

### Is 四级单词达人 free?

四级单词达人 is free to download, with in-app purchases available.

### Do 科圣达 or 四级单词达人 have ads?

Neither 科圣达 nor 四级单词达人 shows ads.

### Which is updated more often, 科圣达 or 四级单词达人?

科圣达 ships an update every 6 days, and 四级单词达人 every 3 months. Most recently, 科圣达 was updated on October 10, 2026 and 四级单词达人 on October 5, 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.*