# 大鱼 vs echOS

The clearest difference is device support: echOS at 3 against 大鱼'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 | 大鱼 | echOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 10 days |
| Size | 94 MB | 232 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [庆龙 庞](https://appshunter.io/developer/1514055713) | [Echronos Digital Technology Co., Ltd.](https://appshunter.io/developer/1536141167) |

## What reviewers say

### 大鱼

[App page](https://appshunter.io/ios/app/app/id1511657455)

**In-app purchases:** none


### echOS

[App page](https://appshunter.io/ios/app/echos/id1536317919)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 大鱼 free?

大鱼 is free to download, with no in-app purchases.

### Is echOS free?

echOS 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.*