# Overhead Install Guide vs Bluemax

The clearest difference is update cadence: Bluemax at every 4 months against Overhead Install Guide's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Overhead Install Guide ships an update every 9 months, Bluemax every 4 months. The most recent releases landed on July 31, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Overhead Install Guide | Bluemax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/overhead-install-guide/id1353512021/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 21 MB | 6 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Cyclops Marine Ltd](https://appshunter.io/developer/1439465275) |

## 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


### Bluemax

[App page](https://appshunter.io/ios/app/bluemax/id6463031362)

**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 Bluemax free?

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

### Do Overhead Install Guide or Bluemax have ads?

Neither Overhead Install Guide nor Bluemax shows ads.

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

Overhead Install Guide ships an update every 9 months, and Bluemax every 4 months. Most recently, Overhead Install Guide was updated on July 31, 2026 and Bluemax on September 7, 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.*