# Conv3rtify vs Catenary Cables

The clearest difference is update cadence: Catenary Cables at every 2 months against Conv3rtify's every 26 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Conv3rtify sells 1 one-off in-app purchase and Catenary Cables sells 2 in-app purchases, starting at $59.99 per month. Whichever you choose, the download price is not the number that matters.

Conv3rtify ships an update every 26 months, Catenary Cables every 2 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Conv3rtify | Catenary Cables |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/catenary-cables/id6447140970/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 months** |
| Monetization | — | Subscription |
| Size | 40 MB | 31 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ilya Emeliyanov](https://appshunter.io/developer/1602343908) | [Logan Copenhaver](https://appshunter.io/developer/1680415210) |

## What reviewers say

### Conv3rtify

[App page](https://appshunter.io/ios/app/conv3rtify/id1602343906)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Conv3rtify+ | $2.99 | one-time |


### 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 Conv3rtify free?

Conv3rtify is free to download, with in-app purchases available.

### Is Catenary Cables free?

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

### Do Conv3rtify or Catenary Cables have ads?

Neither Conv3rtify nor Catenary Cables shows ads.

### Which is updated more often, Conv3rtify or Catenary Cables?

Conv3rtify ships an update every 26 months, and Catenary Cables every 2 months. Most recently, Conv3rtify was updated on November 7, 2026 and Catenary Cables on November 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.*