# Overhead Install Guide vs Catenary Cables

The clearest difference is in-app purchases: Overhead Install Guide at none against Catenary Cables's 2. Catenary Cables's advantage is rating (5.0 vs 4.6) and update cadence (every 2 months vs every 9 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Catenary Cables sells 2 in-app purchases, starting at $59.99 per month. Overhead Install Guide asks for nothing beyond the download.

Catenary Cables holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 6 respectively.

Overhead Install Guide ships an update every 9 months, Catenary Cables every 2 months. The most recent releases landed on July 31, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Overhead Install Guide | Catenary Cables |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/overhead-install-guide/id1353512021/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/catenary-cables/id6447140970/reviews)** |
| Number of ratings | 5 | **6** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | **Free** | Subscription |
| Size | 21 MB | 31 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Logan Copenhaver](https://appshunter.io/developer/1680415210) |

## 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


### Catenary Cables

[App page](https://appshunter.io/ios/app/catenary-cables/id6447140970)

This app provides a more accurate and efficient method for calculating the sagging of overhead transmission line conductors. It replaces traditional approximate parabolic equations with precise catenary expressions, saving time and improving accuracy.

**Highlights:** Accurate sag calculations, Precise catenary expressions, Replaces traditional methods, Flexible transit setup, Time-saving efficiency

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $59.99 | per month |
| Yearly | $539.99 | per year |


## Frequently asked questions

### Is Overhead Install Guide free?

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

### Is Catenary Cables free?

Catenary Cables is free to download, with in-app purchases available.

### Which has better reviews, Overhead Install Guide or Catenary Cables?

Catenary Cables is rated higher. Overhead Install Guide averages 4.6 out of 5 from 5 ratings, while Catenary Cables averages 5.0 from 6 ratings.

### Do Overhead Install Guide or Catenary Cables have ads?

Neither Overhead Install Guide nor Catenary Cables shows ads.

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

Overhead Install Guide ships an update every 9 months, and Catenary Cables every 2 months. Most recently, Overhead Install Guide was updated on July 31, 2026 and Catenary Cables 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.*