Best Substation Short Circuit Apps

219+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated June 2026

Out of 219+ substation short circuit apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Substation Short Circuit

Fault Current Calculator#2

Fault Current Calculator by Cooper Bussmann, LLC

Strong Contender
🔧 Utilities
3.1(23 ratings)
FreeIn-App Purchases
Fault Current Calculator screenshot 1
Fault Current Calculator screenshot 2
Fault Current Calculator screenshot 3
Fault Current Calculator screenshot 4
Fault Current Calculator screenshot 5
Fault Current Calculator screenshot 6

This innovative tool helps contractors, engineers, electricians, and inspectors calculate available fault current on single and three-phase systems, size fuses and conductors, and create labels for service equipment. Try it out to easily determine fault current and ensure compliance with electrical safety standards.

Electrician Handbook — Basics#3

Electrician Handbook — Basics by Sergey Vavaev

Electric circuit, voltage, ohm
Worth Considering
🔍 Reference
4.8😊(965 ratings)
FreeIn-App Purchases
Electrician Handbook — Basics screenshot 1
Electrician Handbook — Basics screenshot 2
Electrician Handbook — Basics screenshot 3
Electrician Handbook — Basics screenshot 4
Electrician Handbook — Basics screenshot 5
Electrician Handbook — Basics screenshot 6

An essential Electrician's Handbook for learning electrical theory, circuits, and calculations, suitable for beginners, amateurs, and professionals in the field. Featuring theory explanations, interactive circuit diagrams, calculators, and practical installation guides. Improve your electrical knowledge and skills with this comprehensive manual.

What We Love

  • 👍 Informative and useful
  • 🚀 Comprehensive and interactive
  • 💡 Helpful for beginners and professionals
  • 🔍 Detailed diagrams and visuals

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 💰 Ads can be intrusive
  • 🕰️ Some content may be outdated

More Substation Short Circuit apps to explore

4
Master Electrician Ref. Lite
Master Electrician Ref. Lite
Master Electrician Ref. Lite
A handbook for electricians
Free

A comprehensive electronic pocket electrician reference guide for electrical professionals and enthusiasts, providing essential information, calculations, NEC tables, and safety manuals. Visit MasterSparky.com for more details and upgrade to the full version for extensive content covering NEC codes over various years.

📊 Productivity
(2.4K)
5
Ugly's Electrical References
Ugly's Electrical References
Ugly's Electrical References
by Informed Publishing
$12.99

This app is a comprehensive electrical reference guide that has been updated to align with the 2020 National Electrical Code. It offers a range of features such as calculators, interactive tools, and in-depth information for electricians, making it a valuable on-the-job resource.

📊 Productivity
(1.4K)
6
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

Experience a beautifully designed calculator with large buttons and a clear display for quick and efficient calculations. Try it now to discover the simplicity and ease of use for your everyday arithmetic needs.

🔧 Utilities
(404K)
7
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

Calculate the right wire size for your electrical circuit with this voltage drop calculator. Ensure proper conductivity while meeting specific voltage drop limits and NEC ampacity standards. Perfect for AWG and KCMIL sizes in various applications.

🔧 Utilities
(1.4K)
8
Fault Current Finder
Fault Current Finder
Fault Current Finder
Short Circuit AIC / SCCR
Free

This system modeling tool helps engineers, electricians, and facility managers evaluate if electrical devices and equipment are rated to meet maximum available fault current, ensuring operational reliability and worker safety. It calculates short circuit current and provides reports to meet regulatory requirements, such as NEC and OSHA standards, and can be used to determine equipment ratings for systems 600V or less.

📊 Productivity
(5)
9
Ting
Ting
Ting
by Whisker Labs, Inc.
Free

Ting Sensor is an innovative home safety application that continuously monitors your home's electricity to prevent electrical fires. It not only detects potential hazards but also offers repair coordination and financial assistance if needed. With added features like power analysis, outage notifications, and appliance performance tracking, Ting ensures comprehensive protection for your home and valued devices. Experience peace of mind and safeguard what matters most with Ting Sensor!

🌟 Lifestyle
(93K)
10
EduCalc Classic
EduCalc Classic
EduCalc Classic
by William Jockusch
Free

A versatile graphing calculator app with advanced scientific functions, graphing capabilities, unit conversion, constants, table generation, educational resources, and statistical tools. Perfect for students and professionals in math and science fields. Discover a world of mathematical possibilities in one convenient tool.

📚 Education
(299)
11
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.

🔧 Utilities
(39K)
12
WireGo
WireGo
WireGo
Circuit Simulator
Free

This powerful electrical simulation app offers a realistic and precise experience for designing and testing circuits, with features like real-time component simulation, smart error detection, and a vast component library. Start your electrical journey today and learn, design, and validate circuits with professional-grade precision, anytime and anywhere.

🔧 Utilities
(9)
13
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos, Inc.
Free

Explore a powerful scientific calculator with functions beyond basic arithmetic - trigonometry, statistics, and combinatorics. Create and evaluate custom functions, work offline, view multiple expressions at once, and enjoy a seamless user experience - all for free.

📚 Education
(327)
14
Circuit Simulator - VoltSim
Circuit Simulator - VoltSim
Circuit Simulator - VoltSim
Realtime electronic simulator
Free

Introducing a real-time electronic circuit simulator that offers a better user experience than traditional tools. Design circuits, simulate electrical and digital systems, and analyze voltage, current, and other variables in real-time using the comprehensive features of this powerful application. Simplify your circuit design and analysis process with this all-in-one solution.

📚 Education
(44)
15
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
by Southwire Company
Free

This application helps electricians, engineers, and contractors quickly determine the proper conduit size to use based on NEC guidelines, including fill percentages and jam probability. Simply input conduit type, size, and conductors, and the app will calculate the conduit fill percentage for you.

🔧 Utilities
(679)
16
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

A versatile calculator app with Basic, Scientific, and Programmer modes for iPhone, iPad, and iPod Touch. Easily view history and share results via email or copy. Get precise calculations on-the-go!

🔧 Utilities
(3.6K)
17
EveryCircuit
EveryCircuit
EveryCircuit
by MuseMaze
Free

An interactive circuit simulation app that lets users build and play with electronic circuits, providing real-time insight into circuit operation. Features automatic wire routing, thousands of components, and a mobile simulation engine for students and enthusiasts. Download for free with an option for a full version upgrade for $14.99.

📚 Education
(57)
18
Electronics Engineer Helper
Electronics Engineer Helper
Electronics Engineer Helper
Calculators and references
Free

A must-have app for electronics enthusiasts with calculators and references covering a wide range of topics including Ohm's law, capacitor codes, resistor color marking, and much more. Join over 100,000 users in simplifying electronics work or studies today. Unlock even more tools with the PRO version for enhanced functionality. Check it out now!

📊 Productivity
(427)
19
Electrical Calculations
Electrical Calculations
Electrical Calculations
by Egal Net di Ettore Gallina
Free
📊 Productivity
(125)
20
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

HVACR Check is a powerful tool for HVAC technicians that streamlines equipment checklists, service reports, and maintenance workflows. Simplify your work processes and stay organized with this all-in-one solution.

🔍 Reference
(16K)