# 单词树 vs RadExam Pro

单词树 and RadExam Pro are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 单词树 sells 6 in-app purchases, starting at $15.49 per month and RadExam Pro sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 单词树 | RadExam Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (29 ratings)](https://appshunter.io/ios/app/id1123301748/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 6 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Li Wang](https://appshunter.io/developer/788390771) | [Ming-Yu Hsieh](https://appshunter.io/developer/1877335792) |

## What reviewers say

### 单词树

[App page](https://appshunter.io/ios/app/id1123301748)

This app helps you learn English vocabulary through interactive lessons, personalized review, and progress tracking. It offers a comprehensive dictionary with translations, examples, and pronunciation, along with various testing modes to solidify your learning.

**Highlights:** Extensive vocabulary lists for various exams, Detailed word information (translation, examples, pronunciation), Real-time pronunciation recording and comparison, Customizable word lists and notes, Spaced repetition and memory curve review, Progress tracking with charts and reports, Challenging listening and testing modes

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月会员 | $15.49 | per month |
| 3个月会员 | $28.99 | per 3 months |
| 1年会员 | $30.99 | per year |
| 金币100个 | $5.99 | one-time |
| 金币300个 | $9.99 | one-time |
| 金币3000个 | $25.99 | one-time |


### RadExam Pro

[App page](https://appshunter.io/ios/app/radexam-pro/id6768646045)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 月訂閱 | $4.99 | per month |
| Premium 季訂閱 | $11.99 | per 3 months |


## Frequently asked questions

### Is 单词树 free?

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

### Is RadExam Pro free?

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

### Do 单词树 or RadExam Pro have ads?

Neither 单词树 nor RadExam Pro shows ads.

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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.*