# ElectriCalc Pro vs Overhead Install Guide

The clearest difference is in-app purchases: Overhead Install Guide at none against ElectriCalc Pro's 2. ElectriCalc Pro's advantage is ratings volume (354 vs 5) and rating (4.9 vs 4.6). On price, update cadence and ads there is nothing between them.

Both are free to download. ElectriCalc Pro sells 2 in-app purchases, starting at $4.99 per month. Overhead Install Guide asks for nothing beyond the download.

ElectriCalc Pro holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: ElectriCalc Pro has 354 ratings behind it against 5, so its average is the more settled of the two.

ElectriCalc Pro ships an update every 10 months, Overhead Install Guide every 9 months. The most recent releases landed on September 19, 2026 and July 31, 2026 respectively.

## The numbers

| Metric | ElectriCalc Pro | Overhead Install Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (354 ratings)](https://appshunter.io/ios/app/electricalc-pro/id569677304/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/overhead-install-guide/id1353512021/reviews) |
| Number of ratings | **354** | 5 |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 9 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 29 MB | 21 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### ElectriCalc Pro

[App page](https://appshunter.io/ios/app/electricalc-pro/id569677304)

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

**Highlights:** NEC compliant calculations, Wire and conduit sizing, Voltage drop calculations, Motor full-load amps, Ohm's Law solver, Built-in help and tutorials

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $4.99 | per month |
| 1 Year Full Access | $39.99 | per year |


### Overhead Install Guide

[App page](https://appshunter.io/ios/app/overhead-install-guide/id1353512021)

This utility app offers Southwire's official recommendations for installing overhead transmission electrical conductors. It provides essential field information and includes a calculator for determining bullwheel and block diameters.

**Highlights:** Overhead conductor installation recommendations, Information from Overhead Conductor Manual, Industry standard IEEE 524 data, Bullwheel and block diameter calculator

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ElectriCalc Pro free?

ElectriCalc Pro is free to download, with in-app purchases available.

### Is Overhead Install Guide free?

Overhead Install Guide is free to download, with no in-app purchases.

### Which has better reviews, ElectriCalc Pro or Overhead Install Guide?

ElectriCalc Pro is rated higher. ElectriCalc Pro averages 4.9 out of 5 from 354 ratings, while Overhead Install Guide averages 4.6 from 5 ratings.

### Do ElectriCalc Pro or Overhead Install Guide have ads?

Neither ElectriCalc Pro nor Overhead Install Guide shows ads.

### Which is updated more often, ElectriCalc Pro or Overhead Install Guide?

ElectriCalc Pro ships an update every 10 months, and Overhead Install Guide every 9 months. Most recently, ElectriCalc Pro was updated on September 19, 2026 and Overhead Install Guide on July 31, 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.*