Comparison

Fault Current Calculator vs NX Lighting Controls

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

NX Lighting Controls

Configure and manage NX lighting control devices wirelessly from your iPhone or iPad. This utility app simplifies the setup process for your smart lighting system.

Highlights
  • Wireless device setup
  • Wireless device configuration
  • iPhone and iPad compatibility
  • Smart lighting management
Features
Read full description

This application allows wireless setup and wireless configuration of NX lighting Control devices from an iPhone or iPad.

Screenshots

Fault Current Calculator4 screens
NX Lighting Controls4 screens

Verdict

The call

The clearest difference is rating: NX Lighting Controls at 3.6 against Fault Current Calculator's 3.0. NX Lighting Controls also leads on in-app purchases (none vs 2) and review sentiment (33% vs 0%). On price, ratings volume, update cadence and ads 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. NX Lighting Controls asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

NX Lighting Controls holds the better App Store score, 3.6 against 3.0. Both are backed by a comparable volume of ratings — 27 and 27 respectively. Written reviews point the same way: 0% of Fault Current Calculator's written reviews are positive against 33% of NX Lighting Controls's.

UpkeepUpdate frequency

Fault Current Calculator ships an update every 4 months, NX Lighting Controls every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Fault Current Calculator versus NX Lighting Controls: the parameters behind the verdict, then further details
ParameterFault Current CalculatorNX Lighting Controls
PriceFreeFree
Rating3.0 (27 ratings)3.6 (27 ratings) — better
Positive reviews0.0% of reviews33.3% of reviews — better
Number of ratings2727
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size25 MB131 MB
Age rating17+4+
DeveloperCooper Bussmann, LLCCurrent Lighting Solutions, LLC

Customer experience

Fault Current Calculator

All ratings23 ratings
Positive47.8%
Neutral8.7%
Negative43.5%
Written reviews10 reviews
Positive0.0%
Neutral20.0%
Negative80.0%

NX Lighting Controls

All ratings27 ratings
Positive63.0%
Neutral3.7%
Negative33.3%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

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

NX Lighting Controls

No in-app purchases

Questions

Is Fault Current Calculator free?
Fault Current Calculator is free to download, with in-app purchases available.
Is NX Lighting Controls free?
NX Lighting Controls is free to download, with no in-app purchases.
Which has better reviews, Fault Current Calculator or NX Lighting Controls?
NX Lighting Controls is rated higher. Fault Current Calculator averages 3.0 out of 5 from 27 ratings, while NX Lighting Controls averages 3.6 from 27 ratings.
Do Fault Current Calculator or NX Lighting Controls have ads?
Neither Fault Current Calculator nor NX Lighting Controls shows ads.
Which is updated more often, Fault Current Calculator or NX Lighting Controls?
Fault Current Calculator ships an update every 4 months, and NX Lighting Controls every 2 months. Most recently, Fault Current Calculator was updated on October 23, 2026 and NX Lighting Controls on October 24, 2026.

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