# 墨墨背单词 | 四六级考研等英语词汇记忆 vs Know School

The clearest difference is in-app purchases: Know School at none against 墨墨背单词 | 四六级考研等英语词汇记忆's 12. 墨墨背单词 | 四六级考研等英语词汇记忆's advantage is ratings volume (5.6K vs 1) and update cadence (weekly vs monthly). On price, rating, review sentiment and ads 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 9 one-off in-app purchases. Know School asks for nothing beyond the download.

Know School holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 墨墨背单词 | 四六级考研等英语词汇记忆 has 5.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 92% of 墨墨背单词 | 四六级考研等英语词汇记忆's written reviews are positive against 100% of Know School's.

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, Know School monthly. The most recent releases landed on October 29, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 墨墨背单词 | 四六级考研等英语词汇记忆 | Know School |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5.6K ratings)](https://appshunter.io/ios/app/id888483369/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/know-school/id1460379756/reviews)** |
| Number of ratings | **5.6K** | 1 |
| Positive reviews | 92.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 238 MB | 68 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MaiMemo Inc.](https://appshunter.io/developer/888483372) | [Know Idea Technology, LTD](https://appshunter.io/developer/1018980769) |

## 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 (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 增加 1 次测试机会 | $0.29 | one-time |
| 增加 永久 测试月卡 | $0.79 | one-time |
| 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


### Know School

[App page](https://appshunter.io/ios/app/know-school/id1460379756)

This app helps university students manage their academic life. It features a course schedule and attendance tracking to keep students informed and organized. The goal is to simplify campus living and ensure no important information is missed.

**Highlights:** Course schedule tracking, Course attendance sign-in, Campus information tracking, Efficient campus life management

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Convenient for students
- 👍 Helpful for managing courses
- 👍 Great UI design
- 👍 Efficient for checking course times

**What reviewers complain about**

- ⚠️ Lacks many features compared to others
- ⚠️ Still new, needs more features

**Requested features**

- Check grades & assignments
- More features


## 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 Know School free?

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

### Which has better reviews, 墨墨背单词 | 四六级考研等英语词汇记忆 or Know School?

Know School is rated higher. 墨墨背单词 | 四六级考研等英语词汇记忆 averages 4.8 out of 5 from 5.6K ratings, while Know School averages 5.0 from 1 ratings.

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

Neither 墨墨背单词 | 四六级考研等英语词汇记忆 nor Know School shows ads.

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

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, and Know School monthly. Most recently, 墨墨背单词 | 四六级考研等英语词汇记忆 was updated on October 29, 2026 and Know School on October 22, 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.*