# Fault Current Calculator vs Miller Fall Clearance Calculator

The clearest difference is review sentiment: Miller Fall Clearance Calculator at 67% against Fault Current Calculator's 0%. Miller Fall Clearance Calculator also leads on rating (4.0 vs 3.0) and in-app purchases (none vs 2). Fault Current Calculator's advantage is ratings volume (27 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Fault Current Calculator sells 2 in-app purchases, starting at $4.99 per month. Miller Fall Clearance Calculator asks for nothing beyond the download.

Miller Fall Clearance Calculator holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Fault Current Calculator has 27 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Fault Current Calculator's written reviews are positive against 67% of Miller Fall Clearance Calculator's.

Fault Current Calculator ships an update every 4 months, Miller Fall Clearance Calculator every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fault Current Calculator | Miller Fall Clearance Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (27 ratings)](https://appshunter.io/ios/app/fault-current-calculator/id647477910/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/miller-fall-clearance-calculator/id971198656/reviews)** |
| Number of ratings | **27** | 2 |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Freemium | **Free** |
| Size | 25 MB | 39 MB |
| Requires iOS | 14.0 | **6.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Cooper Bussmann, LLC](https://appshunter.io/developer/609315535) | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) |

## What reviewers say

### Fault Current Calculator

[App page](https://appshunter.io/ios/app/fault-current-calculator/id647477910)

This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.

**Highlights:** Calculate available fault current, Size fuses and conductors, Generate service equipment labels, Single and three-phase system support, NEC® 110.24 compliance

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $4.99 | per month |
| Pro Annual Subscription | $39.99 | per year |


### Miller Fall Clearance Calculator

[App page](https://appshunter.io/ios/app/miller-fall-clearance-calculator/id971198656)

This utility app helps safety professionals calculate critical fall clearance distances for various fall arrest systems. It accurately determines the required clearance for shock-absorbing lanyards and self-retracting lifelines, including swing fall calculations for SRLs.

**Highlights:** Calculate fall clearance distance, Shock absorbing lanyard calculations, Self-retracting lifeline calculations, Swing fall distance calculation, Safety worker utility

**In-app purchases:** none


## Frequently asked questions

### Is Fault Current Calculator free?

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

### Is Miller Fall Clearance Calculator free?

Miller Fall Clearance Calculator is free to download, with no in-app purchases.

### Which has better reviews, Fault Current Calculator or Miller Fall Clearance Calculator?

Miller Fall Clearance Calculator is rated higher. Fault Current Calculator averages 3.0 out of 5 from 27 ratings, while Miller Fall Clearance Calculator averages 4.0 from 2 ratings.

### Do Fault Current Calculator or Miller Fall Clearance Calculator have ads?

Neither Fault Current Calculator nor Miller Fall Clearance Calculator shows ads.

### Which is updated more often, Fault Current Calculator or Miller Fall Clearance Calculator?

Fault Current Calculator ships an update every 4 months, and Miller Fall Clearance Calculator every 2 months. Most recently, Fault Current Calculator was updated on October 23, 2026 and Miller Fall Clearance Calculator on October 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.*