# 墨墨背单词 | 四六级考研等英语词汇记忆 vs 爱发福

The clearest difference is in-app purchases: 爱发福 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 update cadence (weekly vs every 3 months) and ratings volume (5.6K vs 2). On price, rating, ads 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 9 one-off in-app purchases. 爱发福 asks for nothing beyond the download.

爱发福 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 2, so its average is the more settled of the two.

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, 爱发福 every 3 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | 墨墨背单词 | 四六级考研等英语词汇记忆 | 爱发福 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5.6K ratings)](https://appshunter.io/ios/app/id888483369/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1476957430/reviews)** |
| Number of ratings | **5.6K** | 2 |
| Positive reviews | 92.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 238 MB | 7 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) | [兆祥 李](https://appshunter.io/developer/1473079429) |

## 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


### 爱发福

[App page](https://appshunter.io/ios/app/id1476957430)

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

**In-app purchases:** none


## 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 爱发福 free?

爱发福 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 爱发福?

爱发福 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 爱发福 averages 5.0 from 2 ratings.

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

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

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, and 爱发福 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 October 29, 2026 and 爱发福 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.*