# Southwire® Conversion Calc vs Workman's Calculator Pro

Southwire® Conversion Calc and Workman's Calculator Pro both sit at 4.2 stars, but that hides the real split: 67% of Workman's Calculator Pro's written reviews are positive against 0% of Southwire® Conversion Calc's. Workman's Calculator Pro also leads on update cadence (fortnightly vs every 4 months) and ratings volume (51 vs 5). Southwire® Conversion Calc's advantage is price (Free vs $1.99). On rating, ads, in-app purchases and device support there is nothing between them.

Southwire® Conversion Calc is free to download; Workman's Calculator Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.2 for Southwire® Conversion Calc against 4.1 for Workman's Calculator Pro. That said, the two scores are not equally well evidenced: Workman's Calculator Pro has 51 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 0% of Southwire® Conversion Calc's written reviews are positive against 67% of Workman's Calculator Pro's.

Southwire® Conversion Calc ships an update every 4 months, Workman's Calculator Pro fortnightly. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Southwire® Conversion Calc | Workman's Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/southwire-conversion-calc/id545756420/reviews)** | [4.1 (51 ratings)](https://appshunter.io/ios/app/workmans-calculator-pro/id1188821288/reviews) |
| Number of ratings | 5 | **51** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#130** |
| Size | 7 MB | 12 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Bret Hardman](https://appshunter.io/developer/788803580) |

## 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


### Workman's Calculator Pro

[App page](https://appshunter.io/ios/app/workmans-calculator-pro/id1188821288)

**Currently charting:** #130 Top Paid · Utilities (US App Store)

This construction calculator simplifies complex measurements for tradespeople. It allows simultaneous calculations in feet, inches, yards, and meters, with an intuitive interface for fractions and decimals. Get accurate results quickly to save time on the job.

**Highlights:** Simultaneous multi-unit calculations (feet, inches, yards, meters), Intuitive fraction input with dynamic button display, Handles decimal multiplication, Multiple display options (feet, inches, decimals), Designed for speed and accuracy in construction

**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 Workman's Calculator Pro free?

Workman's Calculator Pro costs $1.99, with no in-app purchases.

### Which has better reviews, Southwire® Conversion Calc or Workman's Calculator Pro?

Southwire® Conversion Calc is rated higher. Southwire® Conversion Calc averages 4.2 out of 5 from 5 ratings, while Workman's Calculator Pro averages 4.1 from 51 ratings.

### Do Southwire® Conversion Calc or Workman's Calculator Pro have ads?

Neither Southwire® Conversion Calc nor Workman's Calculator Pro shows ads.

### Which is updated more often, Southwire® Conversion Calc or Workman's Calculator Pro?

Southwire® Conversion Calc ships an update every 4 months, and Workman's Calculator Pro fortnightly. Most recently, Southwire® Conversion Calc was updated on October 2, 2026 and Workman's Calculator Pro on October 19, 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.*