# Electrical Calculations vs GNR10

The clearest difference is in-app purchases: GNR10 at none against Electrical Calculations's 3. GNR10 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Electrical Calculations sells 3 in-app purchases, starting at $3.99 per 3 months. GNR10 asks for nothing beyond the download.

Electrical Calculations ships an update every 3 weeks, GNR10 monthly. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Electrical Calculations | GNR10 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (128 ratings)](https://appshunter.io/ios/app/electrical-calculations/id993232048/reviews)** | — |
| Number of ratings | **128** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 55 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Gautica Tecnologia e Inovacao Ltda](https://appshunter.io/developer/721334649) |

## 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 |


### GNR10

[App page](https://appshunter.io/ios/app/gnr10/id6443661617)

**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 GNR10 free?

GNR10 is free to download, with no in-app purchases.

### Do Electrical Calculations or GNR10 have ads?

Electrical Calculations shows ads; GNR10 does not.

### Which is updated more often, Electrical Calculations or GNR10?

Electrical Calculations ships an update every 3 weeks, and GNR10 monthly. Most recently, Electrical Calculations was updated on October 17, 2026 and GNR10 on October 9, 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.*