# 云笔备考 vs 背duo分单词

The clearest difference is device support: 云笔备考 at 2 against 背duo分单词's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 云笔备考 | 背duo分单词 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (4 ratings)](https://appshunter.io/ios/app/duo/id6451367077/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 days | — |
| Monetization | — | Free |
| Size | 43 MB | 90 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [武汉智云优鸿科技有限公司](https://appshunter.io/developer/1795822230) | [Beijing Baijia Technology Co., Ltd.](https://appshunter.io/developer/1554599455) |

## What reviewers say

### 云笔备考

[App page](https://appshunter.io/ios/app/id6450889257)

**Features:** macOS Compatibility

**In-app purchases:** none


### 背duo分单词

[App page](https://appshunter.io/ios/app/duo/id6451367077)

This app helps users learn English vocabulary more efficiently using advanced memory techniques and real exam examples. It focuses on faster memorization, stronger retention, and practical application in test scenarios.

**Highlights:** Efficient vocabulary memorization, Advanced anti-forgetting techniques, Scene-based memory association, Real exam-sourced example sentences, Progress tracking and learning analysis, Intelligent summary and motivation system

**In-app purchases:** none


## Frequently asked questions

### Is 云笔备考 free?

云笔备考 is free to download, with no in-app purchases.

### Is 背duo分单词 free?

背duo分单词 is free to download, with no in-app purchases.

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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.*