Comparison

Fault Current Calculator vs Eaton EM Install

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

Eaton EM Install

Easily connect Eaton Smart Breakers to your Wi-Fi network. This utility allows you to associate devices with your organization, set up locations, and manage Wi-Fi configurations.

Highlights
  • Connect Eaton Smart Breakers to Wi-Fi
  • Associate devices with organizations
  • Create and manage locations
  • Update Wi-Fi settings for breakers
Features
Read full description

Connect your Eaton Smart Breakers to your local Wi-Fi network through this app! You can use this app to associate devices to your organization, create locations & update Wi-Fi settings!

Screenshots

Fault Current Calculator4 screens
Eaton EM Install4 screens

Verdict

The call

The clearest difference is rating: Eaton EM Install at 4.0 against Fault Current Calculator's 3.0. Eaton EM Install also leads on in-app purchases (none vs 2). Fault Current Calculator's advantage is ratings volume (27 vs 3). 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. Eaton EM Install asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Eaton EM Install holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Fault Current Calculator has 27 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 6 level
Fault Current Calculator versus Eaton EM Install: the parameters behind the verdict, then further details
ParameterFault Current CalculatorEaton EM Install
PriceFreeFree
Rating3.0 (27 ratings)4.0 (3 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings27 — better3
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.4 — better
Further details — not scored
Size25 MB32 MB
Age rating17+4+
DeveloperCooper Bussmann, LLCEaton Corporation

Customer experience

Fault Current Calculator

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

Eaton EM Install

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

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

Eaton EM Install

No in-app purchases

Questions

Is Fault Current Calculator free?
Fault Current Calculator is free to download, with in-app purchases available.
Is Eaton EM Install free?
Eaton EM Install is free to download, with no in-app purchases.
Which has better reviews, Fault Current Calculator or Eaton EM Install?
Eaton EM Install is rated higher. Fault Current Calculator averages 3.0 out of 5 from 27 ratings, while Eaton EM Install averages 4.0 from 3 ratings.
Do Fault Current Calculator or Eaton EM Install have ads?
Neither Fault Current Calculator nor Eaton EM Install shows ads.
Which is updated more often, Fault Current Calculator or Eaton EM Install?
Fault Current Calculator ships an update every 4 months, and Eaton EM Install every 4 months. Most recently, Fault Current Calculator was updated on October 23, 2026 and Eaton EM Install on October 14, 2026.

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