# 忘忧信箱 vs 彩鲤管理端

The clearest difference is device support: 忘忧信箱 at 3 against 彩鲤管理端's —. 彩鲤管理端's advantage is iOS requirement (12.0 vs 16.0). 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 | 忘忧信箱 | 彩鲤管理端 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Size | 35 MB | 62 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [鹏 张](https://appshunter.io/developer/1276467599) | [志彬 杨](https://appshunter.io/developer/1712407052) |

## What reviewers say

### 忘忧信箱

[App page](https://appshunter.io/ios/app/id1276467600)

**In-app purchases:** none


### 彩鲤管理端

[App page](https://appshunter.io/ios/app/id6470911352)

**In-app purchases:** none


## Frequently asked questions

### Is 忘忧信箱 free?

忘忧信箱 is free to download, with no in-app purchases.

### Is 彩鲤管理端 free?

彩鲤管理端 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.*