Fault Current Calculator vs VigiSafe
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
VigiSafe
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VigiSafe is a personal and community safety application designed to help people stay connected with their trusted circles and respond quickly during a potentially dangerous situation. Main features: • SOS button for generating emergency alerts. • Create and receive safety alerts. • Trusted circles for connecting family members, friends, or coworkers. • Location sharing with authorized circle members. • Create safe zones and geofences. • Temporary safety check-ins with automatic alerts when the user does not confirm they are safe. • Report and view community incidents. • Manage emergency contacts and medical information. • Notifications about alerts and important activity. Users remain in control of location, camera, and notification permissions. Some features require an internet connection, device permissions, or participation from other circle members. VigiSafe is a complementary safety and communication tool. It does not replace official emergency services. In an emergency, contact the appropriate local authorities or emergency services.
Screenshots
Verdict
The clearest difference is in-app purchases: VigiSafe at none against Fault Current Calculator's 2. VigiSafe also leads on update cadence (every 6 days vs every 4 months). On price, ads, device support and iOS requirement 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. VigiSafe asks for nothing beyond the download.
Fault Current Calculator ships an update every 4 months, VigiSafe every 6 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.
| Parameter | Fault Current Calculator | VigiSafe |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (23 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 4 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 25 MB | 75 MB |
| Age rating | 17+ | 4+ |
| Developer | Cooper Bussmann, LLC | Melissa Alguera Castillo |
In-app purchases
Fault Current Calculator
- Pro Monthly Subscription7 Days trial$4.991 Month
- Pro Annual Subscription7 Days trial$39.991 Year
VigiSafe
No in-app purchases
Questions
Is Fault Current Calculator free?
Is VigiSafe free?
Do Fault Current Calculator or VigiSafe have ads?
Which is updated more often, Fault Current Calculator or VigiSafe?
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