# 公嗨课Plus vs 流利鸭

The clearest difference is in-app purchases: 公嗨课Plus at none against 流利鸭's 5. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 流利鸭 sells 5 one-off in-app purchases. 公嗨课Plus asks for nothing beyond the download.

## The numbers

| Metric | 公嗨课Plus | 流利鸭 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 33 MB | 56 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Maituo Technology Co.,Ltd](https://appshunter.io/developer/1599696075) | [Guangzhou Don Quixote Education Technology Co., Ltd.](https://appshunter.io/developer/1135753513) |

## What reviewers say

### 公嗨课Plus

[App page](https://appshunter.io/ios/app/plus/id1603741147)

**Features:** macOS Compatibility

**In-app purchases:** none


### 流利鸭

[App page](https://appshunter.io/ios/app/id6740518764)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 口语AI月度会员 | $14.99 | one-time |
| 口语AI季度会员 | $29.99 | one-time |
| 口语AI半年度会员 | $39.99 | one-time |
| 口语AI年度会员 | $59.99 | one-time |
| 口语AI超级会员 | $99.99 | one-time |


## Frequently asked questions

### Is 公嗨课Plus free?

公嗨课Plus is free to download, with no in-app purchases.

### Is 流利鸭 free?

流利鸭 is free to download, with in-app purchases available.

### Do 公嗨课Plus or 流利鸭 have ads?

Neither 公嗨课Plus nor 流利鸭 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.*