# Fault Current Finder vs Electrical Tools & Reference

The clearest difference is iOS requirement: Fault Current Finder at 10.0 against Electrical Tools & Reference's 12.0. On price, update cadence, 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 Electrical Tools & Reference sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Fault Current Finder ships an update every 5 weeks, Electrical Tools & Reference every 3 weeks. The most recent releases landed on October 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Fault Current Finder | Electrical Tools & Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/fault-current-finder/id1200115863/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 88 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Octagon Seven LLC](https://appshunter.io/developer/1200115862) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## 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 |


### Electrical Tools & Reference

[App page](https://appshunter.io/ios/app/electrical-tools-and-reference/id6746714702)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime Premium | $3.99 | one-time |


## Frequently asked questions

### Is Fault Current Finder free?

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

### Is Electrical Tools & Reference free?

Electrical Tools & Reference is free to download, with in-app purchases available.

### Do Fault Current Finder or Electrical Tools & Reference have ads?

Neither Fault Current Finder nor Electrical Tools & Reference shows ads.

### Which is updated more often, Fault Current Finder or Electrical Tools & Reference?

Fault Current Finder ships an update every 5 weeks, and Electrical Tools & Reference every 3 weeks. Most recently, Fault Current Finder was updated on October 8, 2026 and Electrical Tools & Reference on September 18, 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.*