# Electrical Engineering vs Control Systems Engineering

The clearest difference is ads: Control Systems Engineering at none against Electrical Engineering's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Electrical Engineering sells 2 one-off in-app purchases and Control Systems Engineering sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Electrical Engineering ships an update every 4 months, Control Systems Engineering every 3 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Electrical Engineering | Control Systems Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (252 ratings)](https://appshunter.io/ios/app/electrical-engineering-lite/id929996924/reviews)** | — |
| Number of ratings | **252** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 18 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Electrical Engineering

[App page](https://appshunter.io/ios/app/electrical-engineering-lite/id929996924)

This app offers a comprehensive suite of electrical calculations and conversions for professionals and students. It handles diverse units and provides precise results for various electrical engineering tasks, including voltage, current, power, and more.

**Highlights:** 60 Electrical Calculators, 16 Electrical Converters, Voltage, Current, Resistance, Power calculations, kVA to Amps and Amps to kVA conversions, Single and Three Phase Power calculations, Star to Delta & Delta to Star conversions, Unit handling for diverse electrical measurements

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 16 Electrical Converters | $0.99 | one-time |
| Electrical Engineering Pack | $3.99 | one-time |


### Control Systems Engineering

[App page](https://appshunter.io/ios/app/control-systems-engineering/id6739731886)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Electrical Engineering free?

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

### Is Control Systems Engineering free?

Control Systems Engineering is free to download, with in-app purchases available.

### Do Electrical Engineering or Control Systems Engineering have ads?

Electrical Engineering shows ads; Control Systems Engineering does not.

### Which is updated more often, Electrical Engineering or Control Systems Engineering?

Electrical Engineering ships an update every 4 months, and Control Systems Engineering every 3 months. Most recently, Electrical Engineering was updated on October 11, 2026 and Control Systems Engineering on October 2, 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.*