Best Electrical Circuit Color Apps

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Electrician Handbook — Basics

Electric circuit, voltage, ohm

Electrical theory topicsInteractive circuit diagramsCalculators and formulas

$5.99 | 100% OFF

This app provides electricians, students, and installers with essential electrical theory, interactive diagrams, and practical calculators. It includes a community forum for users to share knowledge and seek advice, all accessible offline without ads or subscriptions.

🔍 Reference

(965)

Mike Holt's Electrical Toolbox

Electrical Power Calculator

Conductor sizingVoltage drop limitationsCircuit protection sizing

This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.

This utility app helps electricians and DIYers quickly identify and number electrical phases in single and three-phase circuits. It provides color codes for common voltage configurations and allows for easy navigation and bookmarking of circuit numbers.

Identify 120/240 single phaseIdentify 120/208 three phaseIdentify 277/480 three phase

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AI Resistor Color Code Scanner

Ohms calculator by camera

Instant camera scanningSave and organize scansInteractive color band editing

Instantly identify and calculate resistor values using your iPhone camera. This tool eliminates the need for manual color band reading and charts, offering quick results for engineers, hobbyists, and students. Save your scans and organize them into projects for efficient workflow.

free with in-app purchases

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WireGo

Circuit Simulator

Real-time component simulationDrag-and-drop circuit designExtensive component library (100+ items)

This app provides a realistic electrical circuit simulation experience for learning and design. It features an extensive component library, intuitive drag-and-drop controls, and smart error detection for both household and industrial circuits. Learn, design, and test circuits safely and efficiently on your mobile device.

Electrical Wiring Simulator

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freemium

Practice Anytime, Anywhere

Step-by-step simulationsReal-world wiring practiceLoad control and switching

$19.99 | 100% OFF

Practice real-world electrical wiring skills with interactive, step-by-step simulations. Learn load control, parallel/series wiring, and troubleshooting without tools or risk. Ideal for students and aspiring electricians.

📚 Education

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Electrician's Sidekick

by IDEAL INDUSTRIES, INC

Conduit bending calculatorWire sizing and voltage drop calculatorConduit fill calculator

This free tool consolidates essential electrical calculations and reference guides into a single app. It offers precise tools for conduit bending, wire sizing, voltage drop, and conduit fill, designed to enhance fieldwork efficiency and accuracy for professionals. The app functions offline, ensuring constant access to critical information.

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Electrical Wiring Pro 2017

Calcs, Refs - Electrical Pros

2017 Electrical Code supportAmpacity and wire sizingBox fill and wire bending space

This app provides electrical calculations and references based on the 2017 Electrical Code. It supports multiple code versions and offers features for wire sizing, box fill, conduit fill, residential load calculations, and voltage drop.

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All in one electricians tools

Electrician Handy Tool

Voltage drop calculatorConduit bending calculatorFraction calculator

This app provides electricians with essential tools for conduit bending, calculations, and quick reference. It simplifies electrical work with features like voltage drop calculation and a user-friendly fraction calculator.

free with in-app purchases

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Electrical Code-A-Day

Quiz for Electricians

Daily electrical code questionsQuestions written by a real electricianCovers a wide range of electrical topics

Test your electrical knowledge daily with a new question based on the US electrical code. Perfect for apprentices, journeymen, and masters seeking to learn or refresh their understanding of electrical concepts and regulations.

Control your PAL™ Light wirelessly with fingertip touches. This app uses RF and Wi-Fi to change colors and modes on your light, and can integrate with home automation systems.

Wireless color transferFingertip touch controlRF and Wi-Fi connectivity

Electronics Engineering

Over 160 electronic applicationsMulti-functional keyboardColor code and SMD code tools

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference tools for engineers, students, and hobbyists. It features a multi-functional keyboard, color code tools, audio scope, frequency generator, and component references with datasheet access. The app supports real-time circuit simulations and includes a file manager for saving calculations.

📚 Education

(1.4K)

free with in-app purchases

Circuitry - 3D Circuit Builder

Engineering made simple

3D circuit buildingGPU-accelerated analysisIntuitive 3D interface

Build and simulate electronic circuits in an intuitive 3D environment. This app offers lightning-fast analysis and a user-friendly interface, making complex engineering accessible. Circuits are saved as documents for easy sharing and management across devices.

📚 Education

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Ugly's Electrical References

by Informed Publishing

$12.99

This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.

NEC 2026 updatesMathematical formulas and calculatorsConduit bending guide with videos

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Resistor color code Calculator

Resistor color code calc

Calculates resistance for 3-6 band resistorsVisual band color selectionDisplays resistance and tolerance

This utility helps you determine the resistance value of resistors by interpreting their colored bands. It supports 3, 4, 5, and 6 band resistors, visually displaying your selections and the calculated resistance and tolerance.