# Electrical Calculations vs Panduit Derate

The clearest difference is in-app purchases: Panduit Derate at none against Electrical Calculations's 2. Panduit Derate also leads on ads (none vs shown) and rating (5.0 vs 4.6). Electrical Calculations's advantage is update cadence (every 2 weeks vs every 7 months) and ratings volume (129 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Electrical Calculations sells 2 in-app purchases, starting at $3.99 per 3 months. Panduit Derate asks for nothing beyond the download.

Panduit Derate holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Electrical Calculations has 129 ratings behind it against 1, so its average is the more settled of the two.

Electrical Calculations ships an update every 2 weeks, Panduit Derate every 7 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Electrical Calculations | Panduit Derate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (129 ratings)](https://appshunter.io/ios/app/electrical-calculations/id993232048/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/panduit-derate-it/id1094001530/reviews)** |
| Number of ratings | **129** | 1 |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 56 MB | 36 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Panduit Corp.](https://appshunter.io/developer/634155561) |

## What reviewers say

### Electrical Calculations

[App page](https://appshunter.io/ios/app/electrical-calculations/id993232048)

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

**Highlights:** Wire size and voltage drop calculations, Power, current, and resistance calculations, Motor performance and connection diagrams, Electronic component calculations, Extensive unit conversions, PDF report generation, Support for IEC, CEI, NEC, CEC standards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $3.99 | per 3 months |
| PRO Version (1 year) | $7.49 | per year |


### Panduit Derate

[App page](https://appshunter.io/ios/app/panduit-derate-it/id1094001530)

This tool helps determine the maximum allowable lengths for twisted-pair copper patch and horizontal cables in compliant Category 5e, 6, or 6A channels. It allows users to define cables, create multi-cable channels, and validates configurations, providing guidance on length adjustments.

**Highlights:** Define cable type, category, gauge, and length, Create single or multi-cable channels, Validate channel configurations, Information on additional length, Guidance on length reduction for invalid channels

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Calculations free?

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

### Is Panduit Derate free?

Panduit Derate is free to download, with no in-app purchases.

### Which has better reviews, Electrical Calculations or Panduit Derate?

Panduit Derate is rated higher. Electrical Calculations averages 4.6 out of 5 from 129 ratings, while Panduit Derate averages 5.0 from 1 ratings.

### Do Electrical Calculations or Panduit Derate have ads?

Electrical Calculations shows ads; Panduit Derate does not.

### Which is updated more often, Electrical Calculations or Panduit Derate?

Electrical Calculations ships an update every 2 weeks, and Panduit Derate every 7 months. Most recently, Electrical Calculations was updated on November 6, 2026 and Panduit Derate on November 2, 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.*