# Fault Current Calculator (PFC) vs CertSuite

The clearest difference is monetization model: CertSuite at free against Fault Current Calculator (PFC)'s paid. CertSuite also leads on ads (none vs shown) and update cadence (fortnightly vs every 14 months). On price, review sentiment, 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, CertSuite fortnightly. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Fault Current Calculator (PFC) | CertSuite |
| --- | --- | --- |
| 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 | **36.4% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 125 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) | [Megger](https://appshunter.io/developer/557595194) |

## 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


### CertSuite

[App page](https://appshunter.io/ios/app/certsuite/id1567220288)

This app assists electricians and inspectors in generating professional reports and certificates for various electrical installations. It supports standards like BS7671, Amendment 2, and specific certifications for EV charging, fire alarms, and emergency lighting. It requires login credentials from a company account.

**Highlights:** Generate electrical reports and certificates, Supports BS7671 and Amendment 2, Certifies EV charging points, Includes fire alarm and emergency lighting reports, Companion to cloud-based service

**Features:** 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 CertSuite free?

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

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

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

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

Fault Current Calculator (PFC) ships an update every 14 months, and CertSuite fortnightly. Most recently, Fault Current Calculator (PFC) was updated on October 14, 2026 and CertSuite on October 13, 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.*