# 電氣管線選擇器 vs 水電機電工具箱 100

The clearest difference is price: 水電機電工具箱 100 at Free against 電氣管線選擇器's $2.99. 水電機電工具箱 100 also leads on iOS requirement (17.0 vs 26.0). 電氣管線選擇器's advantage is in-app purchases (none vs 1) and update cadence (every 2 days vs every 4 weeks). On ads and device support there is nothing between them.

水電機電工具箱 100 is free to download; 電氣管線選擇器 costs $2.99 up front. 水電機電工具箱 100 sells 1 one-off in-app purchase. 電氣管線選擇器 asks for nothing beyond the download.

電氣管線選擇器 ships an update every 2 days, 水電機電工具箱 100 every 4 weeks. The most recent releases landed on September 12, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 電氣管線選擇器 | 水電機電工具箱 100 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 weeks |
| Size | 8 MB | 120 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Hao Da-Wei](https://appshunter.io/developer/1758775655) | [Yu Shiung Jiang](https://appshunter.io/developer/612234939) |

## What reviewers say

### 電氣管線選擇器

[App page](https://appshunter.io/ios/app/id6566197101)

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

**In-app purchases:** none


### 水電機電工具箱 100

[App page](https://appshunter.io/ios/app/100/id6776848563)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $4.99 | one-time |


## Frequently asked questions

### Is 電氣管線選擇器 free?

電氣管線選擇器 costs $2.99, with no in-app purchases.

### Is 水電機電工具箱 100 free?

水電機電工具箱 100 is free to download, with in-app purchases available.

### Do 電氣管線選擇器 or 水電機電工具箱 100 have ads?

Neither 電氣管線選擇器 nor 水電機電工具箱 100 shows ads.

### Which is updated more often, 電氣管線選擇器 or 水電機電工具箱 100?

電氣管線選擇器 ships an update every 2 days, and 水電機電工具箱 100 every 4 weeks. Most recently, 電氣管線選擇器 was updated on September 12, 2026 and 水電機電工具箱 100 on September 8, 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.*