# Overhead Install Guide vs Vulcan Line Tools

The clearest difference is update cadence: Vulcan Line Tools at every 3 weeks against Overhead Install Guide's every 9 months. Vulcan Line Tools also leads on rating (5.0 vs 4.6) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Vulcan Line Tools holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 11 respectively.

Overhead Install Guide ships an update every 9 months, Vulcan Line Tools every 3 weeks. The most recent releases landed on July 31, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Overhead Install Guide | Vulcan Line Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/overhead-install-guide/id1353512021/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/vulcan-line-tools/id1525784906/reviews)** |
| Number of ratings | 5 | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 159 MB |
| Requires iOS | 16.6 | **16** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Zachary Young](https://appshunter.io/developer/1525784908) |

## What reviewers say

### 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


### Vulcan Line Tools

[App page](https://appshunter.io/ios/app/vulcan-line-tools/id1525784906)

This utility app helps power line crews accurately measure line sag, tension, and temperature. It ensures power lines meet specifications, preventing overstress on poles and saving time and money for utilities.

**Highlights:** Measure line sag, Determine line tension, Calculate line temperature, Ensure proper line specifications, Prevent pole overstress, Save time and money

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Overhead Install Guide free?

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

### Is Vulcan Line Tools free?

Vulcan Line Tools is free to download, with no in-app purchases.

### Which has better reviews, Overhead Install Guide or Vulcan Line Tools?

Vulcan Line Tools is rated higher. Overhead Install Guide averages 4.6 out of 5 from 5 ratings, while Vulcan Line Tools averages 5.0 from 11 ratings.

### Do Overhead Install Guide or Vulcan Line Tools have ads?

Neither Overhead Install Guide nor Vulcan Line Tools shows ads.

### Which is updated more often, Overhead Install Guide or Vulcan Line Tools?

Overhead Install Guide ships an update every 9 months, and Vulcan Line Tools every 3 weeks. Most recently, Overhead Install Guide was updated on July 31, 2026 and Vulcan Line Tools on September 8, 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.*