# Electrical Calculations vs Best Proportion Calc

The clearest difference is in-app purchases: Best Proportion Calc at none against Electrical Calculations's 3. Best Proportion Calc also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 87%). Electrical Calculations's advantage is ratings volume (126 vs 4) and update cadence (every 3 weeks vs every 2 months). On price, ads, 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. Best Proportion Calc asks for nothing beyond the download.

Best Proportion Calc holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Electrical Calculations has 126 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 87% of Electrical Calculations's written reviews are positive against 100% of Best Proportion Calc's.

Electrical Calculations ships an update every 3 weeks, Best Proportion Calc every 2 months. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Electrical Calculations | Best Proportion Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (126 ratings)](https://appshunter.io/ios/app/electrical-calculations/id993232048/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/best-proportion-calc/id6474536406/reviews)** |
| Number of ratings | **126** | 4 |
| Positive reviews | 86.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 56 MB | 4 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Denis Belmont](https://appshunter.io/developer/1174113984) |

## 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 |


### Best Proportion Calc

[App page](https://appshunter.io/ios/app/best-proportion-calc/id6474536406)

Easily solve proportion problems with a simple and intuitive interface. This app uses the cross product method for quick and accurate calculations across various fields like finance and science. It's available offline and free to use.

**Highlights:** Intuitive proportion calculation, Cross product method for solving equations, Versatile for finance, science, and more, Offline functionality, Free to use

**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 Best Proportion Calc free?

Best Proportion Calc is free to download, with no in-app purchases.

### Which has better reviews, Electrical Calculations or Best Proportion Calc?

Best Proportion Calc is rated higher. Electrical Calculations averages 4.6 out of 5 from 126 ratings, while Best Proportion Calc averages 5.0 from 4 ratings.

### Do Electrical Calculations or Best Proportion Calc have ads?

Both Electrical Calculations and Best Proportion Calc show ads.

### Which is updated more often, Electrical Calculations or Best Proportion Calc?

Electrical Calculations ships an update every 3 weeks, and Best Proportion Calc every 2 months. Most recently, Electrical Calculations was updated on September 22, 2026 and Best Proportion Calc on September 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.*