# 开罗尔在线 vs 呦小阅

The clearest difference is device support: 开罗尔在线 at 3 against 呦小阅'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 | 开罗尔在线 | 呦小阅 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Size | 94 MB | 44 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [成都灵动量教育科技有限公司](https://appshunter.io/developer/1679744525) | [子燊 樊](https://appshunter.io/developer/1694930554) |

## What reviewers say

### 开罗尔在线

[App page](https://appshunter.io/ios/app/id6446935327)

**Features:** macOS Compatibility

**In-app purchases:** none


### 呦小阅

[App page](https://appshunter.io/ios/app/pad/id6462422143)

**In-app purchases:** none


## Frequently asked questions

### Is 开罗尔在线 free?

开罗尔在线 is free to download, with no in-app purchases.

### Is 呦小阅 free?

呦小阅 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.*