# 售后服务助手 vs 数字空压站

The clearest difference is device support: 数字空压站 at 3 against 售后服务助手'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 | 售后服务助手 | 数字空压站 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 56 MB | 76 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Zhejiang Zhuo'Er Software Co., Ltd.](https://appshunter.io/developer/1487271641) | [苏州汇川技术有限公司](https://appshunter.io/developer/1441943965) |

## What reviewers say

### 售后服务助手

[App page](https://appshunter.io/ios/app/id1671065101)

**In-app purchases:** none


### 数字空压站

[App page](https://appshunter.io/ios/app/id6447392098)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 售后服务助手 free?

售后服务助手 is free to download, with no in-app purchases.

### Is 数字空压站 free?

数字空压站 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.*