Fault Current Calculator vs Leviton Smart Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Calculate available fault current
- Size fuses and conductors
- Generate service equipment labels
- Single and three-phase system support
- NEC® 110.24 compliance
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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
Leviton Smart Sensor
Configure and interact with Leviton Smart Sensor products. Tailor sensor settings to specific space requirements and comply with energy codes. Suitable for installers, building maintenance, and end-users.
- Configure smart sensor products
- Set space requirements
- Comply with energy codes
- Interact with sensors
- Suitable for installers and end-users
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This app can be used to interact with any of Leviton’s Smart Sensor products. The application allows user’s to configure the sensor based on the requirements for the space and per the industry’s latest energy code requirements. Application is appropriate to be used by installers, building maintainers, and end-users.
Screenshots
Verdict
The clearest difference is review sentiment: Leviton Smart Sensor at 67% against Fault Current Calculator's 0%. Leviton Smart Sensor also leads on rating (3.9 vs 3.1) and in-app purchases (none vs 2). 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
Both are free to download. Fault Current Calculator sells 2 in-app purchases, starting at $4.99 per month. Leviton Smart Sensor asks for nothing beyond the download.
Leviton Smart Sensor holds the better App Store score, 3.9 against 3.1. Both are backed by a comparable volume of ratings — 23 and 9 respectively. Written reviews point the same way: 0% of Fault Current Calculator's written reviews are positive against 67% of Leviton Smart Sensor's.
Fault Current Calculator ships an update every 4 months, Leviton Smart Sensor every 5 months. The most recent releases landed on August 20, 2026 and September 11, 2026 respectively.
| Parameter | Fault Current Calculator | Leviton Smart Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (23 ratings) | 3.9 (9 ratings) — better |
| Positive reviews | 0.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 23 — better | 9 |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 31 MB |
| Age rating | 17+ | 4+ |
| Developer | Cooper Bussmann, LLC | Leviton Manufacturing Co. Inc. |
Customer experience
Fault Current Calculator
Leviton Smart Sensor
In-app purchases
Fault Current Calculator
- Pro Monthly Subscription7 Days trial$4.991 Month
- Pro Annual Subscription7 Days trial$39.991 Year
Leviton Smart Sensor
No in-app purchases
Questions
Is Fault Current Calculator free?
Is Leviton Smart Sensor free?
Which has better reviews, Fault Current Calculator or Leviton Smart Sensor?
Do Fault Current Calculator or Leviton Smart Sensor have ads?
Which is updated more often, Fault Current Calculator or Leviton Smart Sensor?
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