# 墨墨背单词 | 四六级考研等英语词汇记忆 vs PMP项目管理

The clearest difference is update cadence: 墨墨背单词 | 四六级考研等英语词汇记忆 at every 5 days against PMP项目管理's fortnightly. 墨墨背单词 | 四六级考研等英语词汇记忆 also leads on iOS requirement (13.0 vs 15.0). On price, review sentiment, 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 PMP项目管理 sells 10 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 every 5 days, PMP项目管理 fortnightly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 墨墨背单词 | 四六级考研等英语词汇记忆 | PMP项目管理 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.5K ratings)](https://appshunter.io/ios/app/id888483369/reviews)** | — |
| Number of ratings | **5.5K** | — |
| Positive reviews | **92.1% of reviews** | 84.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 240 MB | 188 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MaiMemo Inc.](https://appshunter.io/developer/888483372) | [Changsha Xisai Liman Education Technology Co., Ltd](https://appshunter.io/developer/1466745593) |

## 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


### PMP项目管理

[App page](https://appshunter.io/ios/app/pmp-pmpnpdpcspm/id6743473201)

This app is a smart tool for PMP certification candidates and project management professionals. It integrates learning, practice, mock exams, and tools to master PMBOK knowledge and improve practical skills for PMP exam success and daily project management.

**Highlights:** PMP, NPDP, ACP exam preparation, Integrated learning modules, Practice question bank, Mock exam simulations, Project management tools, PMBOK knowledge mastery

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2999希赛币 | $399.99 | one-time |
| 3499希赛币 | $499.99 | one-time |
| 3999希赛币 | $599.99 | one-time |
| 4499希赛币 | $599.99 | one-time |
| 4999希赛币 | $699.99 | one-time |
| 5499希赛币 | $799.99 | one-time |
| 5999希赛币 | $899.99 | one-time |
| 6499希赛币 | $999.99 | one-time |
| 6999希赛币 | $999.99 | one-time |
| 7499希赛币 | $999.99 | 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 PMP项目管理 free?

PMP项目管理 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 PMP项目管理 have ads?

Neither 墨墨背单词 | 四六级考研等英语词汇记忆 nor PMP项目管理 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 PMP项目管理?

墨墨背单词 | 四六级考研等英语词汇记忆 ships an update every 5 days, and PMP项目管理 fortnightly. Most recently, 墨墨背单词 | 四六级考研等英语词汇记忆 was updated on September 24, 2026 and PMP项目管理 on September 21, 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.*