# 纠错大师 vs 智慧商户通·客来啦

The clearest difference is iOS requirement: 智慧商户通·客来啦 at 9.0 against 纠错大师's 15.0. On price, ads, in-app purchases and device support 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 | 纠错大师 | 智慧商户通·客来啦 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 99 MB | 8 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [杭州扶志科技有限公司](https://appshunter.io/developer/1651860833) | [趣街(天津)科技有限公司](https://appshunter.io/developer/1303452025) |

## What reviewers say

### 纠错大师

[App page](https://appshunter.io/ios/app/ai/id6444046564)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 智慧商户通·客来啦

[App page](https://appshunter.io/ios/app/id6503030122)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 纠错大师 free?

纠错大师 is free to download, with no in-app purchases.

### Is 智慧商户通·客来啦 free?

智慧商户通·客来啦 is free to download, with no in-app purchases.

### Do 纠错大师 or 智慧商户通·客来啦 have ads?

Neither 纠错大师 nor 智慧商户通·客来啦 shows ads.

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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.*