# Electrical Calc Pro vs Southwire® Conversion Calc

The clearest difference is review sentiment: Electrical Calc Pro at 60% against Southwire® Conversion Calc's 0%. Electrical Calc Pro also leads on rating (5.0 vs 4.2) and update cadence (every 5 weeks vs every 4 months). Southwire® Conversion Calc's advantage is price (Free vs $19.99) and ratings volume (5 vs 1). On ads and in-app purchases there is nothing between them.

Southwire® Conversion Calc is free to download; Electrical Calc Pro costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Electrical Calc Pro holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Southwire® Conversion Calc has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 60% of Electrical Calc Pro's written reviews are positive against 0% of Southwire® Conversion Calc's.

Electrical Calc Pro ships an update every 5 weeks, Southwire® Conversion Calc every 4 months. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Electrical Calc Pro | Southwire® Conversion Calc |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/electrical-calc-pro/id514793318/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/southwire-conversion-calc/id545756420/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Paid | **Free** |
| Size | 22 MB | 7 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### Electrical Calc Pro

[App page](https://appshunter.io/ios/app/electrical-calc-pro/id514793318)

This professional electrical application calculates common electrical problems, including wire sizing, conduit sizing, and fusing based on the Canadian Electric Code. It offers advanced features for motor loads, transformers, feeders, and voltage drop calculations, making it an essential tool for electricians and engineers.

**Highlights:** Wire and conduit sizing, Motor and transformer load calculations, Voltage drop calculations, Panel legend creation and export, Allowable ampacity and derating, Box fill calculations

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Electrical Calc Pro free?

Electrical Calc Pro costs $19.99, with no in-app purchases.

### Is Southwire® Conversion Calc free?

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

### Which has better reviews, Electrical Calc Pro or Southwire® Conversion Calc?

Electrical Calc Pro is rated higher. Electrical Calc Pro averages 5.0 out of 5 from 1 ratings, while Southwire® Conversion Calc averages 4.2 from 5 ratings.

### Do Electrical Calc Pro or Southwire® Conversion Calc have ads?

Neither Electrical Calc Pro nor Southwire® Conversion Calc shows ads.

### Which is updated more often, Electrical Calc Pro or Southwire® Conversion Calc?

Electrical Calc Pro ships an update every 5 weeks, and Southwire® Conversion Calc every 4 months. Most recently, Electrical Calc Pro was updated on October 5, 2026 and Southwire® Conversion Calc on October 2, 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.*