# Electrical Troubleshooting MS vs Control Systems Engineering

The clearest difference is in-app purchases: Electrical Troubleshooting MS at none against Control Systems Engineering's 6. Electrical Troubleshooting MS also leads on update cadence (weekly vs every 3 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Control Systems Engineering sells 6 in-app purchases, starting at $9.99 per month. Electrical Troubleshooting MS asks for nothing beyond the download.

Electrical Troubleshooting MS ships an update weekly, Control Systems Engineering every 3 months. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Electrical Troubleshooting MS | Control Systems Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (118 ratings)](https://appshunter.io/ios/app/electrical-troubleshooting-ms/id1562565451/reviews)** | — |
| Number of ratings | **118** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | — |
| Size | 22 MB | 18 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Electrical Troubleshooting MS

[App page](https://appshunter.io/ios/app/electrical-troubleshooting-ms/id1562565451)

Learn to troubleshoot electrical circuits with a virtual voltmeter and PLC logic. This app offers 17 random electrical problems for a challenging learning experience, allowing you to practice identifying issues in motor starters and control circuits.

**Highlights:** 17 random electrical problems, Virtual voltmeter with probes, Animated motor starter, Switch between schematic and PLC logic, Troubleshooting Assistant, Normal and troubleshooting modes

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

**In-app purchases:** none


### 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 Troubleshooting MS free?

Electrical Troubleshooting MS is free to download, with no in-app purchases.

### Is Control Systems Engineering free?

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

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

Neither Electrical Troubleshooting MS nor Control Systems Engineering shows ads.

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

Electrical Troubleshooting MS ships an update weekly, and Control Systems Engineering every 3 months. Most recently, Electrical Troubleshooting MS was updated on September 19, 2026 and Control Systems Engineering on September 14, 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.*