Comparison

Fault Current Calculator vs Qniverse

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

Qniverse

Access warranty registration, part books, manuals, and dealer locators. Browse product catalogs, view videos, and discover more features for your equipment.

Highlights
  • Warranty registration
  • Part book and manual lookup
  • Dealer locator
  • Product catalog browsing
  • Product videos
Read full description

The Qniverse app makes it easy to register your warranty, look up your unit's part book and manual, find your nearest dealer, browse the Quincy Compressor product catalog, view product videos, and more.

Screenshots

Fault Current Calculator4 screens
Qniverse3 screens

Verdict

The call

The clearest difference is review sentiment: Qniverse at 75% against Fault Current Calculator's 0%. Qniverse also leads on rating (4.0 vs 3.0) and in-app purchases (none vs 2). On price, ratings volume, 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. Qniverse asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Qniverse holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 27 and 14 respectively. Written reviews point the same way: 0% of Fault Current Calculator's written reviews are positive against 75% of Qniverse's.

UpkeepUpdate frequency

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

Scorecard6 real differences · 4 level
Fault Current Calculator versus Qniverse: the parameters behind the verdict, then further details
ParameterFault Current CalculatorQniverse
PriceFreeFree
Rating3.0 (27 ratings)4.0 (14 ratings) — better
Positive reviews0.0% of reviews75.0% of reviews — better
Number of ratings27 — better14
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.09.0 — better
Further details — not scored
Size25 MB38 MB
Age rating17+4+
DeveloperCooper Bussmann, LLCQuincy Compressor

Customer experience

Fault Current Calculator

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

Qniverse

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

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

Qniverse

No in-app purchases

Questions

Is Fault Current Calculator free?
Fault Current Calculator is free to download, with in-app purchases available.
Is Qniverse free?
Qniverse is free to download, with no in-app purchases.
Which has better reviews, Fault Current Calculator or Qniverse?
Qniverse is rated higher. Fault Current Calculator averages 3.0 out of 5 from 27 ratings, while Qniverse averages 4.0 from 14 ratings.
Do Fault Current Calculator or Qniverse have ads?
Neither Fault Current Calculator nor Qniverse shows ads.
Which is updated more often, Fault Current Calculator or Qniverse?
Fault Current Calculator ships an update every 4 months, and Qniverse every 2 months. Most recently, Fault Current Calculator was updated on October 23, 2026 and Qniverse on October 24, 2026.

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