# Cathodic Protection Calculator — Cathodic Protection Reference

> Cathodic protection calculations for engineers and testers. (iPhone/iPad app by Ell Engineering LLC.)

- Source: https://appshunter.io/ios/app/cathodic-protection-calculator/id6498471281 (this page in markdown: same URL + `.md`)
- Developer: [Ell Engineering LLC](https://appshunter.io/developer/1741659303)
- Category: Reference, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 5 App Store ratings
- Age rating: 17+
- Requires: iOS 15.0 · 127 MB
- Languages: English
- Released: 2024-04-21
- Data updated: 2026-06-05
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/cathodic-protection-calculator/id6498471281/reviews.md

## What is Cathodic Protection Calculator?

Over 150+ calculations from Cathodic Protection Tester to Engineer level with both Metric & Imperial units*.  Categories include:

• Cathodic Protection Testing 
• Reference Electrodes 
• Soil Resistivity
• Structure Current Requirements 
• Pipeline & Cable Linear Resistances 
• Pipeline Resistance and Conductance (to Remote Earth)
• Anode Resistance 
• Anode Weight / Lifespan
• Anode Current Density
• Galvanic Anode Current Output
• Rectifier Sizing 
• Interference Analysis (AC & DC)
• DC Attenuation Calculations

Visit website for more details...
https://ell-engineering.com

* Premium (Paid) Version - $10 USD

## Key features

- 150+ Cathodic Protection Calculations
- Metric & Imperial Units
- Cathodic Protection Testing
- Reference Electrodes
- Soil Resistivity
- Structure Current Requirements
- Anode Sizing & Lifespan

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium Features | $9.99 | one-time |



## Frequently asked questions about Cathodic Protection Calculator

### What is the short name for Cathodic Protection Calculator?

The short name for Cathodic Protection Calculator is Cathodic Protection.

### What kind of calculations does Cathodic Protection offer?

Cathodic Protection offers over 150 calculations related to cathodic protection, including testing, reference electrodes, soil resistivity, structure current requirements, anode sizing, and interference analysis.

### Does Cathodic Protection support both Metric and Imperial units?

Yes, Cathodic Protection supports both Metric and Imperial units for its calculations.

### What is the price of the premium version of Cathodic Protection?

The premium version of Cathodic Protection is priced at $10 USD and unlocks additional features beyond the free version.

### What devices is Cathodic Protection available on?

Cathodic Protection is available on iPhone and iPod devices.

### How often is Cathodic Protection updated?

The latest version, 1.2.9, was released on August 30, 2024. The app was initially released on April 21, 2024, indicating relatively frequent updates.

### What is the age rating for Cathodic Protection?

Cathodic Protection has an age rating of 17+, suggesting it contains content or features suitable for mature audiences.

### Does Cathodic Protection have ads?

No, Cathodic Protection does not contain advertisements.

## Version history (last 5 releases)

### 1.2.9 — 2024-08-30

Functionality Improvements

### 1.2.8 — 2024-08-02

Functionality Improvements

### 1.2.7 — 2024-07-27

Schlumberger Single Layer Soil Resistivity calculation added per User's Request

### 1.2.6 — 2024-07-16

Calculations added
• Pipeline Linear Resistance
• Cable Linear Resistance
• Pipeline Resistance and Conductance (to Remote Earth)

### 1.2.5 — 2024-07-10

Marine Anode Resistance Calculations
• Pipeline Bracelet Anodes
• Stand-Off Anodes
• Flush Mounted Anodes

Internal Vessel Anode Resistance Calculations
• Bayonet (Cylindrical) Anodes
• Spherical Anodes

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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 2026-06-05.*