# Electrical Calculator vs VFD Cable Sizing Calc

The clearest difference is price: VFD Cable Sizing Calc at Free against Electrical Calculator's $3.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

VFD Cable Sizing Calc is free to download; Electrical Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 22, 2026 and March 8, 2026 respectively.

## The numbers

| Metric | Electrical Calculator | VFD Cable Sizing Calc |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.6 (462 ratings)](https://appshunter.io/ios/app/electrical-calculator/id495478153/reviews)** | — |
| Number of ratings | **462** | — |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 18 MB | 5 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### Electrical Calculator

[App page](https://appshunter.io/ios/app/electrical-calculator/id495478153)

This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.

**Highlights:** Over 65 electrical calculation tools, Resistor color code calculators, Upgraded voltage drop calculations, Wire size calculations, Series/parallel circuit calculations, Energy cost calculator, Unit conversions

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great app, useful for years
- 👍 Good app
- 👍 Brilliant Program
- 👍 Essential shortcut for professionals
- 👍 Works great

**What reviewers complain about**

-  annoyance: popup advising update
- 💸 Paid for calculators, then asked for more
- 💸 Lost money
- 💸 Costs extra for full content
- 📏 No impedance calculators

**Reported bugs**

- Annoying popup for app update
- Converter not working
- App not working on older iPhone models

**Requested features**

- Include impedance calculators
- Improve metric region compatibility for AWG cables


### VFD Cable Sizing Calc

[App page](https://appshunter.io/ios/app/vfd-cable-sizing-calc/id6452802915)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Calculator free?

Electrical Calculator costs $3.99, with no in-app purchases.

### Is VFD Cable Sizing Calc free?

VFD Cable Sizing Calc is free to download, with no in-app purchases.

### Do Electrical Calculator or VFD Cable Sizing Calc have ads?

Neither Electrical Calculator nor VFD Cable Sizing Calc shows ads.

### Which is updated more often, Electrical Calculator or VFD Cable Sizing Calc?

Electrical Calculator ships an update every 4 months, and VFD Cable Sizing Calc every 4 months. Most recently, Electrical Calculator was updated on September 22, 2026 and VFD Cable Sizing Calc on March 8, 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.*