Best Diagram Electrical Apps

208+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated June 2026

Electrical Panel Designer is the household name in diagram electrical, but it's far from the only option. We track 208+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Diagram Electrical

SLD | Electrical diagrams#2

SLD | Electrical diagrams by Angel Martinez

Draw schemes easily
Strong Contender
📊 Productivity
4.1😐(130 ratings)
$1.99In-App Purchases
SLD | Electrical diagrams screenshot 1
SLD | Electrical diagrams screenshot 2
SLD | Electrical diagrams screenshot 3
SLD | Electrical diagrams screenshot 4
SLD | Electrical diagrams screenshot 5
SLD | Electrical diagrams screenshot 6

Create professional electrical diagrams quickly and easily with integrated IEC and ANSI standard symbols. Drag and drop symbols like circuit breakers, switches, motors, and more to customize your one-line diagrams with precision and ease. Start designing now!

What We Love

  • 👍 User-friendly
  • 🚀 Simple and fast
  • 💡 Excellent for small projects
  • 👍 Easy to use

Room to Improve

  • 🐛 Crashes and stability issues
  • 🐛 Saving and loading problems
  • 🐛 Unreliable Pro version
Electrical Wiring Simulator#3

Electrical Wiring Simulator by Louie Juera

Practice Anytime, Anywhere
Worth Considering
📚 Education
5.0(7 ratings)
FreeIn-App Purchases
Electrical Wiring Simulator screenshot 1
Electrical Wiring Simulator screenshot 2
Electrical Wiring Simulator screenshot 3

Practice electrical circuits with step-by-step simulations, mastering real-world wiring skills anytime, anywhere, without the risk. Learn and simulate basic house wiring, load control, and troubleshooting techniques, and take your skills to the next level with hands-on learning.

More Diagram Electrical apps to explore

4
Carmin
Carmin
Carmin
Automotive Wiring Diagrams
Free

Access regularly updated trustworthy automotive wiring diagrams for car repair and study purposes. Explore a library of videos and technical documents for easy reference and research with just a few clicks. Terms of Service available at the provided link.

🔍 Reference
(175)
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
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Electrical Power Calculator
Free

An industry-leading electrical power calculator app designed by Mike Holt for electricians, inspectors, contractors, and engineers. Perform conductor sizing, circuit protection, race sizing, and more with this practical and useful tool.

🔧 Utilities
(197)
7
Lucidchart
Lucidchart
Lucidchart
Flowchart & Diagram Maker
Free

Create professional flowcharts and diagrams easily with our intuitive application. Collaborate with team members in real-time and streamline your workflow for improved productivity. Try it now and enhance your visual communication!

📊 Productivity
(5.3K)
8
Electrical Code-A-Day
Electrical Code-A-Day
Electrical Code-A-Day
Quiz for Electricians
Free

Put your electrical knowledge to the test with this daily quiz app for electricians! Answer a new question each day or binge-answer them all at once. Perfect for apprentices, journeymen, and masters looking to sharpen their skills or refresh their knowledge. Lightning-fast learning on all things electrical!

📊 Productivity
(8.6K)
9
Electrical & Electrician App
Electrical & Electrician App
Electrical & Electrician App
Quizzes, Flashcards and Videos
Free
📚 Education
(5)
10
Ask BONBON - NEC Code AI
Ask BONBON - NEC Code AI
Ask BONBON - NEC Code AI
Electrical & NEC AI Assistant
Free
$14.99 | 100% OFF

Get instant answers to electrical questions and NEC code guidance with our AI-powered assistant, free for life. Sign up now and start improving your electrical work with fast, accurate answers and improved safety and compliance.

📊 Productivity
(34)
11
Electrical Symbols Quiz
Electrical Symbols Quiz
Electrical Symbols Quiz
Design circuits with ease
Free

Master electrical circuit symbols with interactive quizzes and learn to design circuits with ease. This app helps students, electricians, and hobbyists memorize IEC/ANSI symbols quickly, making it perfect for exams, work, or self-study.

📚 Education
(18)
12
Wire Color Code
Wire Color Code
Wire Color Code
Electrical circuit colors
Free

Discover a must-have electrical circuit color app designed for both professionals and DIY enthusiasts. Access accurate wire color codes specific to your country, explore a vast circuit database, utilize quick search functionality, and customize colors for your projects. Stay compliant, efficient, and organized with this user-friendly tool. Download now for a convenient solution to all your circuit identification needs.

📊 Productivity
(654)
13
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)
14
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)
15
Electrical Formulator
Electrical Formulator
Electrical Formulator
by Historycentral.com Inc
Free

This powerful electrical calculation tool offers hundreds of conversion and calculation tools to solve various electrical design and engineering challenges. It allows users to save, print, and share results, and access frequently used formulas, making it an essential utility for engineers, electricians, and energy professionals to work efficiently and accurately.

📊 Productivity
(1)
16
Learn Electrical Engineering
Learn Electrical Engineering
Learn Electrical Engineering
by Pollmine.Com
Free

Learn Electrical Engineering with the help of an AI-driven coach through bite-sized videos, quizzes, and personalized guidance. Spend just 60 minutes a week to enhance your knowledge and skills in Electrical Engineering and related fields.

📚 Education
(298)
17
Simurelay
Simurelay
Simurelay
by Abdessamed Benkabouya
Free

This simulator helps design and test electromechanical systems by creating electrical diagrams with basic components like relays, switches, and motors. Try simulating your designs to bring your ideas to life.

📚 Education
(15)
18
Electric Toolkit - Calculator
Electric Toolkit - Calculator
Electric Toolkit - Calculator
Electrical Wiring Diagrams
$5.99

This application provides a comprehensive collection of electrical wiring diagrams and calculators for home wiring projects, including diagrams for switches, ceiling fans, and outlets, as well as calculators for circuit breakers, voltage drop, and more. Download the app to access these useful tools and make your electrical projects easier and more efficient.

🔧 Utilities
(272)
19
SLD Sizer for Engineering
SLD Sizer for Engineering
SLD Sizer for Engineering
Single Line - One Line Diagram
Free

This reference tool helps electrical engineers, designers, and contractors verify wire and conduit sizes based on selected load, providing minimum requirements according to the NEC. It serves as a quick guide for designing or verifying electrical installations and drawings.

🔍 Reference
(7)
20
Simubus
Simubus
Simubus
Electrical Wiring Simulator
Free
🔧 Utilities
(0)