# Southwire® Conversion Calc vs House Electrical Design Tools

The clearest difference is price: Southwire® Conversion Calc at Free against House Electrical Design Tools's $2.99. House Electrical Design Tools's advantage is update cadence (weekly vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Southwire® Conversion Calc is free to download; House Electrical Design Tools costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Southwire® Conversion Calc ships an update every 4 months, House Electrical Design Tools weekly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Southwire® Conversion Calc | House Electrical Design Tools |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/southwire-conversion-calc/id545756420/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 7 MB | 32 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## What reviewers say

### Southwire® Conversion Calc

[App page](https://appshunter.io/ios/app/southwire-conversion-calc/id545756420)

This utility app facilitates conversions between copper and aluminum electrical wiring. It allows users to calculate pricing, unit of measure, conversion factors, and weight based on product length. The app comes preloaded with numerous cable types for easy calculation.

**Highlights:** Copper to aluminum conversion, Aluminum to copper conversion, Pricing unit of measure calculation, Conversion factor calculation, Weight per product length calculation, Preloaded cable data

**Features:** macOS Compatibility

**In-app purchases:** none


### House Electrical Design Tools

[App page](https://appshunter.io/ios/app/house-electrical-design-tools/id6767972472)

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

**In-app purchases:** none


## Frequently asked questions

### Is Southwire® Conversion Calc free?

Southwire® Conversion Calc is free to download, with no in-app purchases.

### Is House Electrical Design Tools free?

House Electrical Design Tools costs $2.99, with no in-app purchases.

### Do Southwire® Conversion Calc or House Electrical Design Tools have ads?

Neither Southwire® Conversion Calc nor House Electrical Design Tools shows ads.

### Which is updated more often, Southwire® Conversion Calc or House Electrical Design Tools?

Southwire® Conversion Calc ships an update every 4 months, and House Electrical Design Tools weekly. Most recently, Southwire® Conversion Calc was updated on October 2, 2026 and House Electrical Design Tools on October 1, 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.*