# 四级单词达人 vs LingGrid

The clearest difference is in-app purchases: LingGrid at none against 四级单词达人's 1. LingGrid also leads on update cadence (every 9 days vs every 3 months). 四级单词达人's advantage is iOS requirement (11.0 vs 17.0). On price, review sentiment, ads and device support there is nothing between them.

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

四级单词达人 ships an update every 3 months, LingGrid every 9 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 四级单词达人 | LingGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/linggrid/id6774998894/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 4 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [摇摇 章](https://appshunter.io/developer/1570032236) | [华明 罗](https://appshunter.io/developer/1670053427) |

## What reviewers say

### 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 |


### LingGrid

[App page](https://appshunter.io/ios/app/linggrid/id6774998894)

This app provides a secure digital backup for physical dynamic password cards used for the Jiangsu Gaokao. It allows users to scan or import card images, save encrypted data locally, and quickly look up codes by selecting coordinates. Designed to reduce stress during critical post-exam processes.

**Highlights:** Scan physical password cards, Import photos from album, Recognize 8x8 password grid, Save encrypted data locally, Quick code lookup by coordinates, Digital backup for password cards

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

**In-app purchases:** none


## Frequently asked questions

### Is 四级单词达人 free?

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

### Is LingGrid free?

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

### Do 四级单词达人 or LingGrid have ads?

Neither 四级单词达人 nor LingGrid shows ads.

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

四级单词达人 ships an update every 3 months, and LingGrid every 9 days. Most recently, 四级单词达人 was updated on October 5, 2026 and LingGrid on October 8, 2026.

---

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