# 变频器之家 vs 轻连PLC

The clearest difference is iOS requirement: 变频器之家 at 10.0 against 轻连PLC'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 | 变频器之家 | 轻连PLC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 142 MB | 36 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Hebei ZaiXun Network Technology Co., Ltd.](https://appshunter.io/developer/994393282) | [北京麦乐程物联技术有限公司](https://appshunter.io/developer/1780034322) |

## What reviewers say

### 变频器之家

[App page](https://appshunter.io/ios/app/id1661608593)

**Features:** macOS Compatibility

**In-app purchases:** none


### 轻连PLC

[App page](https://appshunter.io/ios/app/plc/id6741800023)

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

**In-app purchases:** none


## Frequently asked questions

### Is 变频器之家 free?

变频器之家 is free to download, with no in-app purchases.

### Is 轻连PLC free?

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

### Do 变频器之家 or 轻连PLC have ads?

Neither 变频器之家 nor 轻连PLC 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.*