# LineConstants — Line Constants

> Line Constants (iPhone/iPad app by Sergey Gussev.)

- Source: https://appshunter.io/ios/app/lineconstants/id6740081204 (this page in markdown: same URL + `.md`)
- Developer: [Sergey Gussev](https://appshunter.io/developer/1784439395)
- Category: Utilities, Business
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 33 MB
- Languages: Arabic, English, French, German, Italian, Japanese, Russian, Chinese, Spanish, Chinese
- Released: 2025-01-28
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/lineconstants/id6740081204/reviews.md

## What is LineConstants?

LineConstants is a professional tool for calculating the parameters of overhead (OHL) and cable (CL) power transmission lines.
This app is ideal for engineers, designers, energy specialists, and technical students.
Key Features:
Fast and accurate calculation of resistances and admittances for both OHL and CL
Multi-section line modeling with multiple circuits
Support for split conductors and grounding configurations
Cable modeling with core arrangement and screen grounding
Comprehensive built-in directories: supports, conductors, cables, ground wires, insulators, soil types, and voltage classes
Export results to PDF and share with other apps
Flexible language settings, frequency selection, and temperature adjustments
LineConstants is built for professionals who demand accuracy, efficiency, and control.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly | $19.99 | per year |
| Monthly | $9.99 | per month |



## Version history (last 3 releases)

### 3 — 2025-04-30

LineConstants just got even better!
Now includes full support for cable line calculations — precision extended
Built-in help system — get guidance without leaving the app
Enhanced PDF export — share results quickly and professionally
Update now and unlock the full power of LineConstants!

### 2 — 2025-01-31

Added new databases and examples for test

### 1.0 — 2025-01-28

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*