# 建築工具箱 100 vs House ECG

The clearest difference is in-app purchases: House ECG at none against 建築工具箱 100's 1. 建築工具箱 100's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 建築工具箱 100 sells 1 one-off in-app purchase. House ECG asks for nothing beyond the download.

## The numbers

| Metric | 建築工具箱 100 | House ECG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 61 MB | 3 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yu Shiung Jiang](https://appshunter.io/developer/612234939) | [綠圖顧問有限公司](https://appshunter.io/developer/1814361152) |

## What reviewers say

### 建築工具箱 100

[App page](https://appshunter.io/ios/app/100/id6766032710)

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

**In-app purchases (1)**

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


### House ECG

[App page](https://appshunter.io/ios/app/house-ecg/id6795954898)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 建築工具箱 100 free?

建築工具箱 100 is free to download, with in-app purchases available.

### Is House ECG free?

House ECG is free to download, with no in-app purchases.

### Do 建築工具箱 100 or House ECG have ads?

Neither 建築工具箱 100 nor House ECG 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.*