# 墨墨背单词 | 四六级考研等英语词汇记忆 vs 众知云校

The clearest difference is ads: 墨墨背单词 | 四六级考研等英语词汇记忆 at none against 众知云校's shown. 墨墨背单词 | 四六级考研等英语词汇记忆 also leads on update cadence (weekly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 墨墨背单词 | 四六级考研等英语词汇记忆 sells 7 one-off in-app purchases and 众知云校 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, 众知云校 every 3 months. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 墨墨背单词 | 四六级考研等英语词汇记忆 | 众知云校 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.6K ratings)](https://appshunter.io/ios/app/id888483369/reviews)** | — |
| Number of ratings | **5.6K** | — |
| Positive reviews | 92.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 238 MB | 234 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MaiMemo Inc.](https://appshunter.io/developer/888483372) | [Wuhan Zhengxingu Technology Co., Ltd.](https://appshunter.io/developer/1722287941) |

## What reviewers say

### 墨墨背单词 | 四六级考研等英语词汇记忆

[App page](https://appshunter.io/ios/app/id888483369)

This app uses a scientific, anti-forgetting algorithm based on user memory data to dynamically adjust review schedules. It offers comprehensive vocabulary content, including definitions, example sentences, and mnemonics, and supports syncing with popular vocabulary books for various exams.

**Highlights:** Scientific anti-forgetting algorithm, Dynamic review scheduling, Comprehensive vocabulary content, Syncs with popular vocabulary books, Personalized cloud wordbooks, Learning progress statistics

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1张补签卡 | $1.29 | one-time |
| 500个单词上限 | $1.79 | one-time |
| 800个单词上限 | $2.69 | one-time |
| 1800个单词上限 | $5.39 | one-time |
| 4000个单词上限 | $10.99 | one-time |
| 8000个单词上限 | $18.99 | one-time |
| 16000个单词上限 | $35.99 | one-time |

**What reviewers like**

- 👍 Simple and clean interface
- 🚀 Efficient memory retention through scientific learning methods
- 💡 Customizable learning plans and progress tracking
- 🎉 Rewarding daily sign-in system
- 🧠 Helpful mnemonic techniques and example sentences

**What reviewers complain about**

- 🔒 Limited free word count, requires paid upgrade
- 🐛 Occasional issues with word pronunciation loading
- ⏱️ Time zone mismatch for some users causing sign-in issues

**Reported bugs**

- Inconsistent sign-in tracking across days
- Difficulty accessing feedback/reporting channels

**Requested features**

- Expand free word count limit
- Add more language options beyond English
- Improve sign-in reliability across time zones
- Provide more customization options for example sentences


### 众知云校

[App page](https://appshunter.io/ios/app/id6475045078)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4.2学习币 | $0.99 | one-time |
| 21学习币 | $3.99 | one-time |
| 47.6学习币 | $9.99 | one-time |
| 89.6学习币 | $19.99 | one-time |
| 229.6学习币 | $49.99 | one-time |
| 453.6学习币 | $99.99 | one-time |


## Frequently asked questions

### Is 墨墨背单词 | 四六级考研等英语词汇记忆 free?

墨墨背单词 | 四六级考研等英语词汇记忆 is free to download, with in-app purchases available.

### Is 众知云校 free?

众知云校 is free to download, with in-app purchases available.

### Do 墨墨背单词 | 四六级考研等英语词汇记忆 or 众知云校 have ads?

众知云校 shows ads; 墨墨背单词 | 四六级考研等英语词汇记忆 does not.

### Which is updated more often, 墨墨背单词 | 四六级考研等英语词汇记忆 or 众知云校?

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, and 众知云校 every 3 months. Most recently, 墨墨背单词 | 四六级考研等英语词汇记忆 was updated on November 12, 2026 and 众知云校 on November 8, 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.*