# 零阶外语2.0 vs 赛达Wonders

The clearest difference is device support: 零阶外语2.0 at 2 against 赛达Wonders's —. 赛达Wonders's advantage is iOS requirement (9.0 vs 15.6). On price and in-app purchases 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 | 零阶外语2.0 | 赛达Wonders |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 2 months | — |
| Size | 56 MB | 22 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [杭州零阶科技有限公司](https://appshunter.io/developer/1490992063) | [Shenzhen Saida Education Consulting Co., Ltd.](https://appshunter.io/developer/1067545861) |

## What reviewers say

### 零阶外语2.0

[App page](https://appshunter.io/ios/app/20/id1490992064)

**Features:** macOS Compatibility

**In-app purchases:** none


### 赛达Wonders

[App page](https://appshunter.io/ios/app/wonders/id1498448904)

**In-app purchases:** none


## Frequently asked questions

### Is 零阶外语2.0 free?

零阶外语2.0 is free to download, with no in-app purchases.

### Is 赛达Wonders free?

赛达Wonders 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.*