# Fault Current Calculator (PFC) vs Rolec Connect

The clearest difference is monetization model: Rolec Connect at free against Fault Current Calculator (PFC)'s paid. Rolec Connect also leads on ads (none vs shown) and update cadence (fortnightly vs every 14 months). Fault Current Calculator (PFC)'s advantage is review sentiment (33% vs 0%). On price, in-app purchases, device support and iOS requirement 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, Rolec Connect fortnightly. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Fault Current Calculator (PFC) | Rolec Connect |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 42 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) | [Rolec Services Ltd](https://appshunter.io/developer/1573027441) |

## 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


### Rolec Connect

[App page](https://appshunter.io/ios/app/rolec-connect/id6742486045)

This app simplifies the setup and configuration of electric vehicle chargepoints, marina utility pedestals, and caravan hook-ups. It allows installers to manage projects, perform test sessions, and streamline their workflow. Owners can adjust device settings like LED brightness and Wi-Fi.

**Highlights:** Seamless device configuration, Bluetooth connectivity for remote setup, Manage installation projects, Perform test charge sessions, Adjust device settings (LED, Wi-Fi), Add project notes and photos

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

**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 Rolec Connect free?

Rolec Connect is free to download, with no in-app purchases.

### Do Fault Current Calculator (PFC) or Rolec Connect have ads?

Fault Current Calculator (PFC) shows ads; Rolec Connect does not.

### Which is updated more often, Fault Current Calculator (PFC) or Rolec Connect?

Fault Current Calculator (PFC) ships an update every 14 months, and Rolec Connect fortnightly. Most recently, Fault Current Calculator (PFC) was updated on October 14, 2026 and Rolec Connect on October 23, 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.*