# 墨墨背单词 | 四六级考研等英语词汇记忆 vs ClassIn

The clearest difference is rating: 墨墨背单词 | 四六级考研等英语词汇记忆 at 4.8 against ClassIn's 3.6. 墨墨背单词 | 四六级考研等英语词汇记忆 also leads on review sentiment (92% vs 51%) and ratings volume (5.6K vs 1K). On price, update cadence, ads and in-app purchases 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 and ClassIn sells 13 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 holds the better App Store score, 4.8 against 3.6. 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 1K, 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 51% of ClassIn's.

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, ClassIn every 11 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | 墨墨背单词 | 四六级考研等英语词汇记忆 | ClassIn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.6K ratings)](https://appshunter.io/ios/app/id888483369/reviews)** | [3.6 (1K ratings)](https://appshunter.io/ios/app/classin/id1226361488/reviews) |
| Number of ratings | **5.6K** | 1K |
| Positive reviews | **92.4% of reviews** | 50.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 238 MB | 286 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MaiMemo Inc.](https://appshunter.io/developer/888483372) | [EEO Education Ltd.](https://appshunter.io/developer/1158875965) |

## 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 |
| 500个单词上限 | $0.99 | one-time |
| 1张补签卡 | $0.99 | one-time |
| 800个单词上限 | $1.99 | one-time |
| 1800个单词上限 | $3.99 | one-time |
| 4000个单词上限 | $7.99 | one-time |
| 8000个单词上限 | $12.99 | one-time |
| 16000个单词上限 | $24.99 | 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


### ClassIn

[App page](https://appshunter.io/ios/app/classin/id1226361488)

This integrated platform supports online and offline teaching with features like live classrooms, LMS, and personalized learning environments. It aims to empower educators and learners globally, fostering independent and self-disciplined lifelong learning.

**Highlights:** Online live classrooms, Offline smart classrooms, Learning Management System (LMS), Personal Learning Environment (PLE), Collaborative blackboard, Virtual experiments

**Features:** Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase 1 additional lesson | $0.99 | one-time |
| Purchase 2 additional lesson | $1.99 | one-time |
| Purchase 4 additional lesson | $2.99 | one-time |
| Purchase 12 additional lesson | $9.99 | one-time |
| Purchase 14 additional lesson | $11.99 | one-time |
| Purchase 15 additional lesson | $12.99 | one-time |
| Purchase 16 additional lesson | $12.99 | one-time |
| Pro Edition | $14.99 | one-time |
| Purchase 18 additional lesson | $14.99 | one-time |
| Purchase 17 additional lesson | $14.99 | one-time |
| Purchase 19 additional lesson | $14.99 | one-time |
| Monthly Edition | $17.99 | one-time |
| Purchase 20 additional lesson | $17.99 | one-time |

**What reviewers like**

- 💡 Useful features for education
- 👍 Great for learning Chinese
- 🚀 Efficient for online classes
- 🤝 Good for teacher-student interaction

**What reviewers complain about**

- 🐛 Buggy and unstable
- 🔋 High battery consumption
- 🤔 Confusing user interface
- 🤷‍♀️ Lack of privacy for students

**Reported bugs**

- Frequent crashes and freezes
- Issues with file uploads and downloads
- Microphone and camera problems
- Incompatibility with certain devices

**Requested features**

- Add autosave feature
- Improve screen sharing capabilities
- Enhance mobile app compatibility
- Provide better language support


## 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 ClassIn free?

ClassIn is free to download, with in-app purchases available.

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

墨墨背单词 | 四六级考研等英语词汇记忆 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 ClassIn averages 3.6 from 1K ratings.

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

Neither 墨墨背单词 | 四六级考研等英语词汇记忆 nor ClassIn 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 ClassIn?

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, and ClassIn every 11 days. Most recently, 墨墨背单词 | 四六级考研等英语词汇记忆 was updated on October 24, 2026 and ClassIn on October 24, 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.*