Comparison

Fault Current Calculator vs Provolt Room Controller

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

Provolt Room Controller

Read full description

The smart way to commission lighting controls! Configure daylight harvesting levels, occupant sensor range and sensitivity, vacancy timeouts, partial on/off levels, and demand response action all with your Bluetooth mobile device.

Screenshots

Fault Current Calculator4 screens
Provolt Room Controller4 screens

Verdict

The call

The clearest difference is in-app purchases: Provolt Room Controller at none against Fault Current Calculator's 2. Provolt Room Controller also leads on iOS requirement (8.0 vs 14.0). On price, update cadence, ads 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. Provolt Room Controller asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Fault Current Calculator versus Provolt Room Controller: the parameters behind the verdict, then further details
ParameterFault Current CalculatorProvolt Room Controller
PriceFreeFree
Rating3.1 (23 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings23 — better—
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.08.0 — better
Further details — not scored
Size25 MB4 MB
Age rating17+4+
DeveloperCooper Bussmann, LLCLeviton Manufacturing Co. Inc.

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
None

Provolt Room Controller

No in-app purchases

Questions

Is Fault Current Calculator free?
Fault Current Calculator is free to download, with in-app purchases available.
Is Provolt Room Controller free?
Provolt Room Controller is free to download, with no in-app purchases.
Do Fault Current Calculator or Provolt Room Controller have ads?
Neither Fault Current Calculator nor Provolt Room Controller shows ads.
Which is updated more often, Fault Current Calculator or Provolt Room Controller?
Fault Current Calculator ships an update every 4 months, and Provolt Room Controller every 4 months. Most recently, Fault Current Calculator was updated on October 2, 2026 and Provolt Room Controller on October 6, 2026.

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