# Southwire® Conversion Calc vs Cerrowire Calculators

The clearest difference is review sentiment: Cerrowire Calculators at 100% against Southwire® Conversion Calc's 0%. Cerrowire Calculators also leads on rating (5.0 vs 4.2) and device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cerrowire Calculators holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 0% of Southwire® Conversion Calc's written reviews are positive against 100% of Cerrowire Calculators's.

Southwire® Conversion Calc ships an update every 4 months, Cerrowire Calculators every 3 months. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Southwire® Conversion Calc | Cerrowire Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/southwire-conversion-calc/id545756420/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cerrowire-calculators/id1440292951/reviews)** |
| Number of ratings | 5 | 5 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 7 MB | 32 MB |
| Requires iOS | 16.6 | **8.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Cerro Wire LLC](https://appshunter.io/developer/546010607) |

## 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


### Cerrowire Calculators

[App page](https://appshunter.io/ios/app/cerrowire-calculators/id1440292951)

Calculate conduit fill and size based on NEC guidelines for copper and aluminum building wire. Determine the maximum number of conductors for a given raceway or the required raceway size for specific conductors.

**Highlights:** NEC conduit fill calculations, Conduit sizing for conductors, Supports copper and aluminum wire, Calculates for various raceway types (EMT, PVC, RMC), Based on National Electrical Code®

**Features:** macOS Compatibility

**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 Cerrowire Calculators free?

Cerrowire Calculators is free to download, with no in-app purchases.

### Which has better reviews, Southwire® Conversion Calc or Cerrowire Calculators?

Cerrowire Calculators is rated higher. Southwire® Conversion Calc averages 4.2 out of 5 from 5 ratings, while Cerrowire Calculators averages 5.0 from 5 ratings.

### Do Southwire® Conversion Calc or Cerrowire Calculators have ads?

Neither Southwire® Conversion Calc nor Cerrowire Calculators shows ads.

### Which is updated more often, Southwire® Conversion Calc or Cerrowire Calculators?

Southwire® Conversion Calc ships an update every 4 months, and Cerrowire Calculators every 3 months. Most recently, Southwire® Conversion Calc was updated on October 2, 2026 and Cerrowire Calculators on October 10, 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.*