# 墨墨背单词 | 四六级考研等英语词汇记忆 vs 东东词典

The clearest difference is update cadence: 墨墨背单词 | 四六级考研等英语词汇记忆 at weekly against 东东词典's fortnightly. On price, ads, in-app purchases and device support 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 东东词典 sells 2 in-app purchases, starting at $0.99 per month. 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, 东东词典 fortnightly. The most recent releases landed on November 10, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 墨墨背单词 | 四六级考研等英语词汇记忆 | 东东词典 |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 238 MB | 10 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) | [振东 谢](https://appshunter.io/developer/1726106266) |

## 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


### 东东词典

[App page](https://appshunter.io/ios/app/id6502490133)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 东东词典会员月卡 | $0.99 | per month |
| 东东词典会员年卡 | $3.99 | per year |


## 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 东东词典 free?

东东词典 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 东东词典 have ads?

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

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, and 东东词典 fortnightly. Most recently, 墨墨背单词 | 四六级考研等英语词汇记忆 was updated on November 10, 2026 and 东东词典 on November 4, 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.*