# Electrical Troubleshooting MS vs Nanonan

The clearest difference is iOS requirement: Electrical Troubleshooting MS at 13.0 against Nanonan's 15.1. On price, update cadence, 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Electrical Troubleshooting MS | Nanonan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (122 ratings)](https://appshunter.io/ios/app/electrical-troubleshooting-ms/id1562565451/reviews)** | — |
| Number of ratings | **122** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 22 MB | 61 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Nanonan Inc.](https://appshunter.io/developer/1866858605) |

## 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


### Nanonan

[App page](https://appshunter.io/ios/app/nanonan/id6757426666)

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

**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 Nanonan free?

Nanonan is free to download, with no in-app purchases.

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

Neither Electrical Troubleshooting MS nor Nanonan shows ads.

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

Electrical Troubleshooting MS ships an update weekly, and Nanonan weekly. Most recently, Electrical Troubleshooting MS was updated on October 23, 2026 and Nanonan on September 24, 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.*