# 工程师e家 vs Cable Voltage Drop2026

The clearest difference is price: 工程师e家 at Free against Cable Voltage Drop2026's $0.29. 工程师e家 also leads on iOS requirement (13.0 vs 15.6). Cable Voltage Drop2026's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence and device support there is nothing between them.

工程师e家 is free to download; Cable Voltage Drop2026 costs $0.29 up front. 工程师e家 sells 3 one-off in-app purchases. Cable Voltage Drop2026 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 14, 2026.

## The numbers

| Metric | 工程师e家 | Cable Voltage Drop2026 |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Size | 61 MB | 1 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jinan Tailing Automation Technology Co., Ltd.](https://appshunter.io/developer/1618634520) | [Nanjing Yunxiaochuang Technology Co., Ltd](https://appshunter.io/developer/1454457703) |

## 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 |


### Cable Voltage Drop2026

[App page](https://appshunter.io/ios/app/cable-voltage-drop2026/id6774123126)

**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 Cable Voltage Drop2026 free?

Cable Voltage Drop2026 costs $0.29, with no in-app purchases.

### Do 工程师e家 or Cable Voltage Drop2026 have ads?

工程师e家 shows ads; Cable Voltage Drop2026 does not.

### Which is updated more often, 工程师e家 or Cable Voltage Drop2026?

工程师e家 ships an update every 2 months, and Cable Voltage Drop2026 every 2 months. Most recently, 工程师e家 was updated on October 14, 2026 and Cable Voltage Drop2026 on October 14, 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.*