# 知米背单词 vs 英语四级君

The clearest difference is ratings volume: 知米背单词 at 468 against 英语四级君's 16. 知米背单词 also leads on rating (4.8 vs 4.6) and iOS requirement (9.0 vs 12.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. 知米背单词 sells 12 one-off in-app purchases and 英语四级君 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

知米背单词 holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: 知米背单词 has 468 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 97% of 知米背单词's written reviews are positive against 89% of 英语四级君's.

知米背单词 ships an update every 5 weeks, 英语四级君 every 2 months. The most recent releases landed on October 22, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 知米背单词 | 英语四级君 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (468 ratings)](https://appshunter.io/ios/app/app/id893122685/reviews)** | [4.6 (16 ratings)](https://appshunter.io/ios/app/id918004796/reviews) |
| Number of ratings | **468** | 16 |
| Positive reviews | **96.6% of reviews** | 88.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 147 MB | 338 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BlueBrain Educational Technology Co., Ltd.](https://appshunter.io/developer/893122688) | [北京对啊网教育科技有限公司](https://appshunter.io/developer/939204755) |

## What reviewers say

### 知米背单词

[App page](https://appshunter.io/ios/app/app/id893122685)

This app offers a fun and effective way to memorize English vocabulary, with seven mnemonic methods and scientific review techniques. It also includes grammar lessons and reading practice with authentic materials.

**Highlights:** Seven mnemonic methods for memorization, Scientific review in context, Comprehensive study data statistics, 10-hour grammar mastery, Practice with authentic reading materials, Daily bilingual news and classic books

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600知米粒 | $0.99 | one-time |
| 词根词缀助记1个月 | $0.99 | one-time |
| 单词助记服务(1个月) | $1.99 | one-time |
| 1800知米粒 | $2.99 | one-time |
| 单词配图3个月 | $2.99 | one-time |
| 词根词缀助记3个月 | $2.99 | one-time |
| 3000知米粒 | $3.99 | one-time |
| 6800知米粒 | $9.99 | one-time |
| 单词助记服务(12个月) | $9.99 | one-time |
| 单词配图永久 | $12.99 | one-time |
| 词根词缀助记永久 | $12.99 | one-time |
| 单词助记服务(永久) | $12.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient word learning
- 💡 Helpful word association features
- 🗣️ Good pronunciation examples
- 📚 Extensive word library

**What reviewers complain about**

- 🐛 Occasional bugs or crashes
- 💰 Some features require paid subscription
- 🖥️ Lack of iPad support

**Reported bugs**

- Login issues on certain devices
- Inconsistent word definitions

**Requested features**

- Improved multi-device synchronization
- More customization options
- Integration with other learning resources


### 英语四级君

[App page](https://appshunter.io/ios/app/id918004796)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 四级君近两次四级考试真题解读 | $0.99 | one-time |
| 1学币 | $0.99 | one-time |
| 8学币 | $0.99 | one-time |
| 18学币 | $2.99 | one-time |
| 45学币 | $5.99 | one-time |
| 英语四级君12月通关直播课-基础班 | $7.99 | one-time |
| 英语四级君12月通关直播课-强化班 | $7.99 | one-time |
| 英语四级君12月通关直播课-冲刺班 | $7.99 | one-time |
| 98学币 | $14.99 | one-time |
| 218学币 | $29.99 | one-time |


## Frequently asked questions

### Is 知米背单词 free?

知米背单词 is free to download, with in-app purchases available.

### Is 英语四级君 free?

英语四级君 is free to download, with in-app purchases available.

### Which has better reviews, 知米背单词 or 英语四级君?

知米背单词 is rated higher. 知米背单词 averages 4.8 out of 5 from 468 ratings, while 英语四级君 averages 4.6 from 16 ratings.

### Do 知米背单词 or 英语四级君 have ads?

Neither 知米背单词 nor 英语四级君 shows ads.

### Which is updated more often, 知米背单词 or 英语四级君?

知米背单词 ships an update every 5 weeks, and 英语四级君 every 2 months. Most recently, 知米背单词 was updated on October 22, 2026 and 英语四级君 on October 29, 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.*