# Electrical Troubleshooting MS vs AABC TAB Calculator

The clearest difference is update cadence: Electrical Troubleshooting MS at weekly against AABC TAB Calculator's every 10 months. Electrical Troubleshooting MS also leads on ratings volume (118 vs 8) and iOS requirement (13.0 vs 15.1). AABC TAB Calculator's advantage is rating (5.0 vs 4.8) and review sentiment (100% vs 88%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

AABC TAB Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Electrical Troubleshooting MS has 118 ratings behind it against 8, 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 100% of AABC TAB Calculator's.

Electrical Troubleshooting MS ships an update weekly, AABC TAB Calculator every 10 months. The most recent releases landed on September 19, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Electrical Troubleshooting MS | AABC TAB Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (118 ratings)](https://appshunter.io/ios/app/electrical-troubleshooting-ms/id1562565451/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/aabc-tab-calculator/id1599768177/reviews)** |
| Number of ratings | **118** | 8 |
| Positive reviews | 88.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 months |
| Monetization | Free | Free |
| Size | 22 MB | 24 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Associated Air Balance Council](https://appshunter.io/developer/1599158024) |

## 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


### AABC TAB Calculator

[App page](https://appshunter.io/ios/app/aabc-tab-calculator/id1599768177)

This app helps industry professionals and members perform essential job site calculations quickly and reliably. It offers a range of pre-built calculations to streamline daily tasks and ensure repeatable results.

**Highlights:** Streamline daily calculations, Perform reliable and repeatable calculations, Access pre-built calculations, Aid industry professionals, Designed for job site use

**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 AABC TAB Calculator free?

AABC TAB Calculator is free to download, with no in-app purchases.

### Which has better reviews, Electrical Troubleshooting MS or AABC TAB Calculator?

AABC TAB Calculator is rated higher. Electrical Troubleshooting MS averages 4.8 out of 5 from 118 ratings, while AABC TAB Calculator averages 5.0 from 8 ratings.

### Do Electrical Troubleshooting MS or AABC TAB Calculator have ads?

Neither Electrical Troubleshooting MS nor AABC TAB Calculator shows ads.

### Which is updated more often, Electrical Troubleshooting MS or AABC TAB Calculator?

Electrical Troubleshooting MS ships an update weekly, and AABC TAB Calculator every 10 months. Most recently, Electrical Troubleshooting MS was updated on September 19, 2026 and AABC TAB Calculator on June 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.*