# AI英语测评 vs 开开心心背单词

AI英语测评 and 开开心心背单词 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. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | AI英语测评 | 开开心心背单词 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 39 MB | 47 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [深圳共生启科技有限公司](https://appshunter.io/developer/1891555747) | [光平 王](https://appshunter.io/developer/1045947341) |

## What reviewers say

### AI英语测评

[App page](https://appshunter.io/ios/app/ai/id1672167739)

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

**In-app purchases:** none


### 开开心心背单词

[App page](https://appshunter.io/ios/app/id6480445030)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI英语测评 free?

AI英语测评 is free to download, with no in-app purchases.

### Is 开开心心背单词 free?

开开心心背单词 is free to download, with no in-app purchases.

### Do AI英语测评 or 开开心心背单词 have ads?

Neither AI英语测评 nor 开开心心背单词 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.*