# Catenary Cables vs Teo CTRL App

The clearest difference is in-app purchases: Teo CTRL App at none against Catenary Cables's 2. Teo CTRL App also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Catenary Cables ships an update every 2 months, Teo CTRL App fortnightly. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Catenary Cables | Teo CTRL App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/catenary-cables/id6447140970/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Subscription | — |
| Size | 31 MB | 78 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Logan Copenhaver](https://appshunter.io/developer/1680415210) | [Tesmec S.p.a.](https://appshunter.io/developer/1780977610) |

## What reviewers say

### 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 |


### 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 Catenary Cables free?

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

### Is Teo CTRL App free?

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

### Do Catenary Cables or Teo CTRL App have ads?

Neither Catenary Cables nor Teo CTRL App shows ads.

### Which is updated more often, Catenary Cables or Teo CTRL App?

Catenary Cables ships an update every 2 months, and Teo CTRL App fortnightly. Most recently, Catenary Cables was updated on October 10, 2026 and Teo CTRL App on October 13, 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.*