# 工程师e家 vs 轻连PLC

The clearest difference is in-app purchases: 轻连PLC at none against 工程师e家's 3. 轻连PLC also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). 工程师e家's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. 工程师e家 sells 3 one-off in-app purchases. 轻连PLC asks for nothing beyond the download.

工程师e家 ships an update every 2 months, 轻连PLC every 3 weeks. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 工程师e家 | 轻连PLC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 61 MB | 35 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jinan Tailing Automation Technology Co., Ltd.](https://appshunter.io/developer/1618634520) | [北京麦乐程物联技术有限公司](https://appshunter.io/developer/1780034322) |

## What reviewers say

### 工程师e家

[App page](https://appshunter.io/ios/app/e/id1641033041)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 资料年会员 | $3.99 | one-time |
| 资料永久会员 | $12.99 | one-time |
| 视频永久会员 | $39.99 | one-time |


### 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 工程师e家 free?

工程师e家 is free to download, with in-app purchases available.

### Is 轻连PLC free?

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

### Do 工程师e家 or 轻连PLC have ads?

工程师e家 shows ads; 轻连PLC does not.

### Which is updated more often, 工程师e家 or 轻连PLC?

工程师e家 ships an update every 2 months, and 轻连PLC every 3 weeks. Most recently, 工程师e家 was updated on September 28, 2026 and 轻连PLC on September 27, 2026.

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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.*