# Easy Ohm's Law vs Electrical Troubleshooting MS

The clearest difference is rating: Electrical Troubleshooting MS at 4.8 against Easy Ohm's Law's 1.5. Electrical Troubleshooting MS also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 3 months). Easy Ohm's Law's advantage is iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Easy Ohm's Law sells 1 one-off in-app purchase. Electrical Troubleshooting MS asks for nothing beyond the download.

Electrical Troubleshooting MS holds the better App Store score, 4.8 against 1.5. That said, the two scores are not equally well evidenced: Electrical Troubleshooting MS has 122 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 69% of Easy Ohm's Law's written reviews are positive against 88% of Electrical Troubleshooting MS's.

Easy Ohm's Law ships an update every 3 months, Electrical Troubleshooting MS weekly. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Easy Ohm's Law | Electrical Troubleshooting MS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/easy-ohms-law/id814088524/reviews) | **[4.8 (122 ratings)](https://appshunter.io/ios/app/electrical-troubleshooting-ms/id1562565451/reviews)** |
| Number of ratings | 2 | **122** |
| Positive reviews | 69.2% of reviews | **88.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 22 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [David White](https://appshunter.io/developer/911163945) |

## What reviewers say

### Easy Ohm's Law

[App page](https://appshunter.io/ios/app/easy-ohms-law/id814088524)

This app helps you calculate voltage, current, resistance, and power. Simply input any two values, and the rest will be automatically computed with adjusted units. It supports a wide range of languages for global accessibility.

**Highlights:** Calculate voltage, current, resistance, and power, Automatic unit adjustment, Input any two values for instant calculation, Supports 21 languages, Available on iPhone and iPad

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro feature | $1.99 | one-time |


### 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


## Frequently asked questions

### Is Easy Ohm's Law free?

Easy Ohm's Law is free to download, with in-app purchases available.

### Is Electrical Troubleshooting MS free?

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

### Which has better reviews, Easy Ohm's Law or Electrical Troubleshooting MS?

Electrical Troubleshooting MS is rated higher. Easy Ohm's Law averages 1.5 out of 5 from 2 ratings, while Electrical Troubleshooting MS averages 4.8 from 122 ratings.

### Do Easy Ohm's Law or Electrical Troubleshooting MS have ads?

Neither Easy Ohm's Law nor Electrical Troubleshooting MS shows ads.

### Which is updated more often, Easy Ohm's Law or Electrical Troubleshooting MS?

Easy Ohm's Law ships an update every 3 months, and Electrical Troubleshooting MS weekly. Most recently, Easy Ohm's Law was updated on October 10, 2026 and Electrical Troubleshooting MS on October 23, 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.*