# Electrical Calculations vs WEG Data Viewer

The clearest difference is review sentiment: Electrical Calculations at 87% against WEG Data Viewer's 13%. Electrical Calculations also leads on rating (4.6 vs 3.1) and ratings volume (126 vs 27). WEG Data Viewer's advantage is in-app purchases (none vs 3) and 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. WEG Data Viewer asks for nothing beyond the download.

Electrical Calculations holds the better App Store score, 4.6 against 3.1. Both are backed by a comparable volume of ratings — 126 and 27 respectively. Written reviews point the same way: 87% of Electrical Calculations's written reviews are positive against 13% of WEG Data Viewer's.

Electrical Calculations ships an update every 3 weeks, WEG Data Viewer monthly. The most recent releases landed on September 22, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Electrical Calculations | WEG Data Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (126 ratings)](https://appshunter.io/ios/app/electrical-calculations/id993232048/reviews)** | [3.1 (27 ratings)](https://appshunter.io/ios/app/weg-data-viewer/id1576866018/reviews) |
| Number of ratings | **126** | 27 |
| Positive reviews | **86.7% of reviews** | 12.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 56 MB | 30 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [WEG Equipamentos Eletricos S/A](https://appshunter.io/developer/575847223) |

## 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 |


### WEG Data Viewer

[App page](https://appshunter.io/ios/app/weg-data-viewer/id1576866018)

Access technical documents for WEG products, including data sheets, drawings, and manuals for electric motors, automation equipment, and ink. Easily search for specific information within a wide range of technical documentation.

**Highlights:** Search technical documents, Access data sheets, View drawings, Find manuals, Browse bulletins, Technical documentation for WEG products

**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 WEG Data Viewer free?

WEG Data Viewer is free to download, with no in-app purchases.

### Which has better reviews, Electrical Calculations or WEG Data Viewer?

Electrical Calculations is rated higher. Electrical Calculations averages 4.6 out of 5 from 126 ratings, while WEG Data Viewer averages 3.1 from 27 ratings.

### Do Electrical Calculations or WEG Data Viewer have ads?

Electrical Calculations shows ads; WEG Data Viewer does not.

### Which is updated more often, Electrical Calculations or WEG Data Viewer?

Electrical Calculations ships an update every 3 weeks, and WEG Data Viewer monthly. Most recently, Electrical Calculations was updated on September 22, 2026 and WEG Data Viewer on August 13, 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.*