# Electrical Calculations vs Engeman® Hidrolight

The clearest difference is in-app purchases: Engeman® Hidrolight at none against Electrical Calculations's 3. Engeman® Hidrolight also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Electrical Calculations's advantage is update cadence (every 3 weeks vs every 6 months). On price and device support there is nothing between them.

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

Electrical Calculations ships an update every 3 weeks, Engeman® Hidrolight every 6 months. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Electrical Calculations | Engeman® Hidrolight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (126 ratings)](https://appshunter.io/ios/app/electrical-calculations/id993232048/reviews)** | — |
| Number of ratings | **126** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 123 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Engeman®](https://appshunter.io/developer/1648906158) |

## 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 (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $3.99 | per 3 months |
| PRO Version (1 year) | $7.49 | per year |
| PRO Version (Lifetime) | $89.99 | one-time |


### Engeman® Hidrolight

[App page](https://appshunter.io/ios/app/engeman-hidrolight/id6736627072)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Calculations free?

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

### Is Engeman® Hidrolight free?

Engeman® Hidrolight is free to download, with no in-app purchases.

### Do Electrical Calculations or Engeman® Hidrolight have ads?

Electrical Calculations shows ads; Engeman® Hidrolight does not.

### Which is updated more often, Electrical Calculations or Engeman® Hidrolight?

Electrical Calculations ships an update every 3 weeks, and Engeman® Hidrolight every 6 months. Most recently, Electrical Calculations was updated on October 13, 2026 and Engeman® Hidrolight on September 29, 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.*