# Electrical Troubleshooting MS vs MARVLS AR for Physics 2

The clearest difference is update cadence: Electrical Troubleshooting MS at weekly against MARVLS AR for Physics 2's every 4 months. Electrical Troubleshooting MS also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Electrical Troubleshooting MS ships an update weekly, MARVLS AR for Physics 2 every 4 months. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Electrical Troubleshooting MS | MARVLS AR for Physics 2 |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free | — |
| Size | 22 MB | 247 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Michele McColgan](https://appshunter.io/developer/1532617986) |

## 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


### MARVLS AR for Physics 2

[App page](https://appshunter.io/ios/app/marvls-ar-for-physics-2/id6630392503)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Troubleshooting MS free?

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

### Is MARVLS AR for Physics 2 free?

MARVLS AR for Physics 2 is free to download, with no in-app purchases.

### Do Electrical Troubleshooting MS or MARVLS AR for Physics 2 have ads?

Neither Electrical Troubleshooting MS nor MARVLS AR for Physics 2 shows ads.

### Which is updated more often, Electrical Troubleshooting MS or MARVLS AR for Physics 2?

Electrical Troubleshooting MS ships an update weekly, and MARVLS AR for Physics 2 every 4 months. Most recently, Electrical Troubleshooting MS was updated on October 16, 2026 and MARVLS AR for Physics 2 on October 11, 2026.

---

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