# Electrical Troubleshooting MS vs P&ID

The clearest difference is review sentiment: Electrical Troubleshooting MS at 88% against P&ID's 0%. Electrical Troubleshooting MS also leads on in-app purchases (none vs 3) and rating (4.8 vs 4.3). On price and ads there is nothing between them.

Both are free to download. P&ID sells 3 in-app purchases, starting at $9.99 per month. Electrical Troubleshooting MS asks for nothing beyond the download.

Electrical Troubleshooting MS holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Electrical Troubleshooting MS has 122 ratings behind it against 6, 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 0% of P&ID's.

Electrical Troubleshooting MS ships an update weekly, P&ID every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Electrical Troubleshooting MS | P&ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (122 ratings)](https://appshunter.io/ios/app/electrical-troubleshooting-ms/id1562565451/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/p-and-id/id6738429006/reviews) |
| Number of ratings | **122** | 6 |
| Positive reviews | **88.2% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 6 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


### P&ID

[App page](https://appshunter.io/ios/app/p-and-id/id6738429006)

Master the art of reading and interpreting Piping and Instrumentation Diagrams (P&IDs) with this engaging trivia quiz. Test your knowledge of P&ID symbols and their applications through interactive quizzes with detailed explanations and real-world examples. Learn at your own pace with multiple difficulty levels and offline mode.

**Highlights:** Interactive P&ID symbol quizzes, Symbol categorization, Detailed explanations and examples, Multiple difficulty levels, Offline learning mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month | $9.99 | per month |
| 6 months | $19.99 | per 6 months |
| Year | $29.99 | per year |


## Frequently asked questions

### Is Electrical Troubleshooting MS free?

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

### Is P&ID free?

P&ID is free to download, with in-app purchases available.

### Which has better reviews, Electrical Troubleshooting MS or P&ID?

Electrical Troubleshooting MS is rated higher. Electrical Troubleshooting MS averages 4.8 out of 5 from 122 ratings, while P&ID averages 4.3 from 6 ratings.

### Do Electrical Troubleshooting MS or P&ID have ads?

Neither Electrical Troubleshooting MS nor P&ID shows ads.

### Which is updated more often, Electrical Troubleshooting MS or P&ID?

Electrical Troubleshooting MS ships an update weekly, and P&ID every 2 weeks. Most recently, Electrical Troubleshooting MS was updated on October 23, 2026 and P&ID on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*