# Electrical Troubleshooting MS vs Simurelay

The clearest difference is rating: Electrical Troubleshooting MS at 4.8 against Simurelay's 3.9. Electrical Troubleshooting MS also leads on review sentiment (88% vs 52%) and in-app purchases (none vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Simurelay sells 3 one-off in-app purchases. Electrical Troubleshooting MS asks for nothing beyond the download.

Electrical Troubleshooting MS holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Electrical Troubleshooting MS has 118 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 88% of Electrical Troubleshooting MS's written reviews are positive against 52% of Simurelay's.

Electrical Troubleshooting MS ships an update weekly, Simurelay every 7 months. The most recent releases landed on September 19, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | Electrical Troubleshooting MS | Simurelay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (118 ratings)](https://appshunter.io/ios/app/electrical-troubleshooting-ms/id1562565451/reviews)** | [3.9 (17 ratings)](https://appshunter.io/ios/app/simurelay/id1580180864/reviews) |
| Number of ratings | **118** | 17 |
| Positive reviews | **88.2% of reviews** | 52.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 19 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Abdessamed Benkabouya](https://appshunter.io/developer/1580180866) |

## 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


### Simurelay

[App page](https://appshunter.io/ios/app/simurelay/id1580180864)

Design and simulate electromechanical systems with a wide range of basic electrical components. Create detailed electrical diagrams using relays, switches, buttons, contactors, and timers.

**Highlights:** Design electromechanical systems, Simulate electrical diagrams, Basic electrical components library, Relays, switches, buttons, contactors, Timers and motors simulation

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timers Coils and Contacts | $7.99 | one-time |
| Advanced Tools | $7.99 | one-time |
| Full Version | $14.99 | one-time |


## Frequently asked questions

### Is Electrical Troubleshooting MS free?

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

### Is Simurelay free?

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

### Which has better reviews, Electrical Troubleshooting MS or Simurelay?

Electrical Troubleshooting MS is rated higher. Electrical Troubleshooting MS averages 4.8 out of 5 from 118 ratings, while Simurelay averages 3.9 from 17 ratings.

### Do Electrical Troubleshooting MS or Simurelay have ads?

Neither Electrical Troubleshooting MS nor Simurelay shows ads.

### Which is updated more often, Electrical Troubleshooting MS or Simurelay?

Electrical Troubleshooting MS ships an update weekly, and Simurelay every 7 months. Most recently, Electrical Troubleshooting MS was updated on September 19, 2026 and Simurelay on August 1, 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.*