Comparison

Fault Current Calculator vs VoltCalc Electrical App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fault Current Calculator

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
Read full description

Eaton's Bussmann Series FC2 Available Fault Current Calculator application is an innovative tool developed for contractors, engineers, electricians, and electrical inspectors. This tool can be used on the Bussmann website or out in the field on a mobile device for those needing a quick and simple way to determine available fault current. With this simple tool, users can: - Calculate available fault current on single and three-phase systems - Create and send a label via email for marking the available fault current on service equipment (NEC® 110.24) - Size fuses and conductors for service, feeder, and branch circuits. This application, calculations, and other information are intended to clearly present technical information that will determine the available fault current at specific points in an electrical system. Bussmann reserves the right, without notice, to change this application and/or discontinue/ limit its distribution and/or availability. Bussmann also reserves the right to change or update, without notice, any technical information contained in this application. The data and information presented in this application are believed to be accurate. However, any and all liability for the content, or any omissions from this application, including any inaccuracies, errors, or misstatements in such data, calculations or information, is expressly disclaimed. The application, calculations and other information are provided without warranty of any kind, either expressed or implied, but not limited to, the implied warranties of merchantability, or fitness for a particular purpose. Bussmann disclaims any liability for the use of this application, calculations or other information. The complete End-User License Agreement can be found at: https://faultcurrentcalculatorpro.bussmann.com/home/eula

About

VoltCalc Electrical App

Features
Read full description

VoltCalc The Ultimate Professional Electrical Calculator Throw away your clunky, outdated engineering apps. VoltCalc: Electrical App is the modern, lightning-fast utility designed specifically for professional electricians, electrical engineers, contractors, and students. Whether you are wiring a residential grid in the USA, calculating commercial loads in the UK, or managing industrial conduit fills in Kuwait, VoltCalc delivers pinpoint mathematical accuracy directly from your pocket. We analyzed the daily workflow of master electricians to build an electrical calculator that actually works on the job site. No internet required, no intrusive mid-calculation interruptions, and a premium Dark Mode that saves your battery while working in dark basements or unlit construction zones. BUILT FOR GLOBAL ENGINEERING STANDARDS - Seamlessly switch between regional electrical codes with a single tap: - US & North America: Full support for AWG (American Wire Gauge), NEC standards, inches, and feet. - UK, Europe & Middle East: Instant toggle to Metric parameters (mm², meters) compliant with IEC electrical standards. CORE ELECTRICAL CALCULATORS & TOOLS VoltCalc is packed with every formula an electrician needs, automated for instant results: - Voltage Drop Calculator: Accurately calculate voltage drop across copper and aluminum conductors. Ensure your circuits meet code regulations over long distances. - Wire Size & Ampacity Calculator: Find the exact wire gauge (AWG or Metric) required for your specific load, voltage, and cable length. - Ohm’s Law Calculator: Instantly solve for Voltage (V), Current (I), Resistance (R), and Power (P). Just enter two known values, and the app calculates the rest. - Power & Energy Formulas: Convert seamlessly between Watts, Kilowatts (kW), kVA, Amps, and Volts for both Single Phase (1-Phase) and Three Phase (3-Phase) electrical systems. - Conduit Fill Calculator: Determine the exact pipe size needed for your wire pulls without the guesswork. PREMIUM JOB-SITE UTILITY - 100% Offline Functionality: Deep underground or in a remote construction site with zero cellular signal? VoltCalc works entirely offline so your workflow never stops. - Native Dark Mode: A sleek, high-contrast black UI designed to reduce eye strain and maximize your device's battery life on long 12-hour shifts. - Clean, Uncluttered Interface: Ditch the frustrating menus. Get to the exact circuit calculator you need in two taps. Whether you are troubleshooting a tricky residential circuit, studying for your master electrician exam, or running massive industrial power calculations, VoltCalc is the only electrical engineering app you will ever need. Payment & Subscription: - You can choose our plans and get unlimited access to all the features of the App. Ad free experience for a month USD 0.99 Ad free experience for a year USD 5.99 You can cancel your subscription anytime, to cancel subscription follow these steps on your iPhone/iPad Go to Settings > click on Your Name > Subscriptions > In Active section > VoltCalc Electrical App > Cancel Subscription >Confirm Cancellation EULA: https://howtodelete.weebly.com/privacy-policy.html Download VoltCalc: Electrical App today and power up your workflow!

Screenshots

Fault Current Calculator4 screens
VoltCalc Electrical App4 screens

Verdict

The call

The clearest difference is iOS requirement: Fault Current Calculator at 14.0 against VoltCalc Electrical App's 16.6. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fault Current Calculator sells 2 in-app purchases, starting at $4.99 per month and VoltCalc Electrical App sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Fault Current Calculator versus VoltCalc Electrical App: the parameters behind the verdict, then further details
ParameterFault Current CalculatorVoltCalc Electrical App
PriceFreeFree
Rating3.1 (23 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings23 — better—
Update frequencyEvery 4 months—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.6
Further details — not scored
Size25 MB30 MB
Age rating17+4+
DeveloperCooper Bussmann, LLCBMAC Infotech

In-app purchases

2 purchases

Fault Current Calculator

Subscriptions2
  • Pro Monthly Subscription7 Days trial$4.991 Month
  • Pro Annual Subscription7 Days trial$39.991 Year
2 purchases

VoltCalc Electrical App

Subscriptions2
  • Monthly3 Days trial$0.991 Month
  • Yearly3 Days trial$5.991 Year

Questions

Is Fault Current Calculator free?
Fault Current Calculator is free to download, with in-app purchases available.
Is VoltCalc Electrical App free?
VoltCalc Electrical App is free to download, with in-app purchases available.
Do Fault Current Calculator or VoltCalc Electrical App have ads?
Neither Fault Current Calculator nor VoltCalc Electrical App shows ads.

Other comparisons