# Southwire® Conversion Calc vs NEC Code Studio & Tools

The clearest difference is price: Southwire® Conversion Calc at Free against NEC Code Studio & Tools's $2.99. NEC Code Studio & Tools's advantage is update cadence (monthly 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; NEC Code Studio & 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, NEC Code Studio & Tools monthly. Both last shipped on October 2, 2026.

## The numbers

| Metric | Southwire® Conversion Calc | NEC Code Studio & 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 | **Monthly** |
| Monetization | Free | — |
| Size | 7 MB | 494 MB |
| Requires iOS | **16.6** | 17.6 |
| 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


### NEC Code Studio & Tools

[App page](https://appshunter.io/ios/app/nec-code-studio-and-tools/id6760605985)

**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 NEC Code Studio & Tools free?

NEC Code Studio & Tools costs $2.99, with no in-app purchases.

### Do Southwire® Conversion Calc or NEC Code Studio & Tools have ads?

Neither Southwire® Conversion Calc nor NEC Code Studio & Tools shows ads.

### Which is updated more often, Southwire® Conversion Calc or NEC Code Studio & Tools?

Southwire® Conversion Calc ships an update every 4 months, and NEC Code Studio & Tools monthly. Most recently, Southwire® Conversion Calc was updated on October 2, 2026 and NEC Code Studio & Tools 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.*