# Fault Current Calculator vs FuelCloud Installer

The clearest difference is rating: FuelCloud Installer at 5.0 against Fault Current Calculator's 3.1. FuelCloud Installer also leads on in-app purchases (none vs 2) and update cadence (every 2 months vs every 4 months). Fault Current Calculator's advantage is ratings volume (23 vs 1). 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. FuelCloud Installer asks for nothing beyond the download.

FuelCloud Installer holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Fault Current Calculator has 23 ratings behind it against 1, so its average is the more settled of the two.

Fault Current Calculator ships an update every 4 months, FuelCloud Installer every 2 months. The most recent releases landed on August 20, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Fault Current Calculator | FuelCloud Installer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (23 ratings)](https://appshunter.io/ios/app/fault-current-calculator/id647477910/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fuelcloud-installer/id1457090193/reviews)** |
| Number of ratings | **23** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Freemium | **Free** |
| Size | 25 MB | 89 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Cooper Bussmann, LLC](https://appshunter.io/developer/609315535) | [FuelCloud](https://appshunter.io/developer/1120340527) |

## 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 |


### FuelCloud Installer

[App page](https://appshunter.io/ios/app/fuelcloud-installer/id1457090193)

This app guides users through the installation of FuelCloud hardware with interactive prompts and step-by-step instructions. It ensures all setup steps are completed quickly and correctly, and provides access to hardware documentation.

**Highlights:** Step-by-step installation walkthrough, Interactive prompts and checklists, Hardware scanning and cell connectivity measurement, On-site testing and verification, Access to hardware documentation

**Features:** macOS Compatibility

**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 FuelCloud Installer free?

FuelCloud Installer is free to download, with no in-app purchases.

### Which has better reviews, Fault Current Calculator or FuelCloud Installer?

FuelCloud Installer is rated higher. Fault Current Calculator averages 3.1 out of 5 from 23 ratings, while FuelCloud Installer averages 5.0 from 1 ratings.

### Do Fault Current Calculator or FuelCloud Installer have ads?

Neither Fault Current Calculator nor FuelCloud Installer shows ads.

### Which is updated more often, Fault Current Calculator or FuelCloud Installer?

Fault Current Calculator ships an update every 4 months, and FuelCloud Installer every 2 months. Most recently, Fault Current Calculator was updated on August 20, 2026 and FuelCloud Installer on September 16, 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.*