# Overhead Install Guide vs Teo CTRL App

The clearest difference is update cadence: Teo CTRL App at fortnightly 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, Teo CTRL App fortnightly. The most recent releases landed on July 31, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | Overhead Install Guide | Teo CTRL App |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Free | — |
| Size | 21 MB | 78 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Tesmec S.p.a.](https://appshunter.io/developer/1780977610) |

## 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


### Teo CTRL App

[App page](https://appshunter.io/ios/app/teo-ctrl-app/id6738772548)

**Features:** macOS Compatibility, 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 Teo CTRL App free?

Teo CTRL App is free to download, with no in-app purchases.

### Do Overhead Install Guide or Teo CTRL App have ads?

Neither Overhead Install Guide nor Teo CTRL App shows ads.

### Which is updated more often, Overhead Install Guide or Teo CTRL App?

Overhead Install Guide ships an update every 9 months, and Teo CTRL App fortnightly. Most recently, Overhead Install Guide was updated on July 31, 2026 and Teo CTRL App on August 4, 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.*