# Electrical Calc Pro vs Building Wire Selector

The clearest difference is price: Building Wire Selector at Free against Electrical Calc Pro's $19.99. Building Wire Selector also leads on review sentiment (100% vs 60%). Electrical Calc Pro's advantage is update cadence (every 5 weeks vs every 5 months) and iOS requirement (8.0 vs 16.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Building Wire Selector 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.

On the App Store both sit at effectively the same score — 5.0 for Electrical Calc Pro against 5.0 for Building Wire Selector. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 60% of Electrical Calc Pro's written reviews are positive against 100% of Building Wire Selector's.

Electrical Calc Pro ships an update every 5 weeks, Building Wire Selector every 5 months. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Electrical Calc Pro | Building Wire Selector |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/electrical-calc-pro/id514793318/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/building-wire-selector/id6670218338/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 22 MB | 6 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| 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


### Building Wire Selector

[App page](https://appshunter.io/ios/app/building-wire-selector/id6670218338)

This tool helps determine the correct conductor size and wire type for electrical installations. It adheres to the National Electrical Code® wiring methods, ensuring compliance and safety.

**Highlights:** Conductor size determination, Wire and cable type selection, National Electrical Code compliance, Electrical installation guidance

**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 Building Wire Selector free?

Building Wire Selector is free to download, with no in-app purchases.

### Which has better reviews, Electrical Calc Pro or Building Wire Selector?

Electrical Calc Pro and Building Wire Selector are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Electrical Calc Pro or Building Wire Selector have ads?

Neither Electrical Calc Pro nor Building Wire Selector shows ads.

### Which is updated more often, Electrical Calc Pro or Building Wire Selector?

Electrical Calc Pro ships an update every 5 weeks, and Building Wire Selector every 5 months. Most recently, Electrical Calc Pro was updated on October 5, 2026 and Building Wire Selector on September 29, 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.*