# Fault Current Finder vs SKM Mobile

The clearest difference is rating: Fault Current Finder at 4.2 against SKM Mobile's 3.0. Fault Current Finder also leads on monetization model (free with in-app purchases vs subscription) and update cadence (every 5 weeks vs every 7 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Fault Current Finder sells 2 one-off in-app purchases and SKM Mobile sells 1 in-app purchase, starting at $299.99 per year. Whichever you choose, the download price is not the number that matters.

Fault Current Finder holds the better App Store score, 4.2 against 3.0. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

Fault Current Finder ships an update every 5 weeks, SKM Mobile every 7 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Fault Current Finder | SKM Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/fault-current-finder/id1200115863/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/skm-mobile/id1543836977/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 23 MB | 132 MB |
| Requires iOS | **10.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Octagon Seven LLC](https://appshunter.io/developer/1200115862) | [S.K.M. SYSTEMS ANALYSIS, INC.](https://appshunter.io/developer/1543836979) |

## What reviewers say

### Fault Current Finder

[App page](https://appshunter.io/ios/app/fault-current-finder/id1200115863)

This tool models electrical distribution systems to calculate available fault current. It helps engineers and electricians ensure equipment is rated for maximum fault current, meeting NEC and IEC standards. Generate reports for compliance and safety.

**Highlights:** System modeling for fault current calculation, Evaluate equipment ratings (fuses, breakers), Supports NEC and IEC standards, One-line diagram approach, Per unit methodology for accuracy, Generate short circuit reports

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Report Generator | $19.99 | one-time |
| System Upgrade | $29.99 | one-time |


### SKM Mobile

[App page](https://appshunter.io/ios/app/skm-mobile/id1543836977)

Capture field data, view study results, and manage equipment settings on your mobile device. Seamlessly import information to your desktop program and enhance your workflow with on-the-go access to essential project details.

**Highlights:** Field data collection, View study results, Import data to desktop, Capture photos and videos, Scan QR codes, Scribble notes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SKM Mobile Subscription | $299.99 | per year |


## Frequently asked questions

### Is Fault Current Finder free?

Fault Current Finder is free to download, with in-app purchases available.

### Is SKM Mobile free?

SKM Mobile is free to download, with in-app purchases available.

### Which has better reviews, Fault Current Finder or SKM Mobile?

Fault Current Finder is rated higher. Fault Current Finder averages 4.2 out of 5 from 5 ratings, while SKM Mobile averages 3.0 from 3 ratings.

### Do Fault Current Finder or SKM Mobile have ads?

Neither Fault Current Finder nor SKM Mobile shows ads.

### Which is updated more often, Fault Current Finder or SKM Mobile?

Fault Current Finder ships an update every 5 weeks, and SKM Mobile every 7 months. Most recently, Fault Current Finder was updated on November 2, 2026 and SKM Mobile on November 3, 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.*