# Fault Current Calculator (PFC) vs SmartScan Control

The clearest difference is ads: SmartScan Control at none against Fault Current Calculator (PFC)'s shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

Fault Current Calculator (PFC) ships an update every 14 months, SmartScan Control every 17 months. The most recent releases landed on August 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Fault Current Calculator (PFC) | SmartScan Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/fault-current-calculator-pfc/id577611194/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 14 months** | Every 17 months |
| Monetization | Paid | — |
| Size | 10 MB | 16 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) | [Thorlux](https://appshunter.io/developer/1263513405) |

## What reviewers say

### Fault Current Calculator (PFC)

[App page](https://appshunter.io/ios/app/fault-current-calculator-pfc/id577611194)

This app calculates prospective fault current (PFC) in kA and Amps for single and three-phase circuits. It allows users to input any two values (voltage, earth loop impedance, or PFC) to determine the third, aiding in selecting appropriate circuit breaker ratings.

**Highlights:** Calculate PFC from Zs/Ze and Voltage, Calculate Zs/Ze from Voltage and PFC, Calculate Voltage from PFC and Zs/Ze, PFC calculation in kA and Amps, Single and three-phase support, Input any two values to calculate the third

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SmartScan Control

[App page](https://appshunter.io/ios/app/smartscan-control/id1263513406)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fault Current Calculator (PFC) free?

Fault Current Calculator (PFC) is free to download, with no in-app purchases.

### Is SmartScan Control free?

SmartScan Control is free to download, with no in-app purchases.

### Do Fault Current Calculator (PFC) or SmartScan Control have ads?

Fault Current Calculator (PFC) shows ads; SmartScan Control does not.

### Which is updated more often, Fault Current Calculator (PFC) or SmartScan Control?

Fault Current Calculator (PFC) ships an update every 14 months, and SmartScan Control every 17 months. Most recently, Fault Current Calculator (PFC) was updated on August 14, 2026 and SmartScan Control 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.*