Best Wiring Diagram Apps

204+ iOS apps curated and reviewed

4.3 avg rating
16 free apps
Updated May 2026

Out of 204+ wiring diagram apps on iOS, 16 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 Wiring Diagram

WireGo#1

WireGo by 锋兴 莫

Circuit Simulator
Editor's Choice
🔧 Utilities
3.7(9 ratings)
FreeIn-App Purchases
WireGo screenshot 1
WireGo screenshot 2
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WireGo screenshot 5

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.

Carmin#2

Carmin by Chuan Nguyen Van

Automotive Wiring Diagrams
Strong Contender
🔍 Reference
4.3😐(175 ratings)
FreeAdsIn-App Purchases
Carmin screenshot 1
Carmin screenshot 2
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Carmin screenshot 6

Access a comprehensive library of regularly updated automotive electrical wiring diagrams for car repair and study. Includes videos and technical documents for research and reference.

What We Love

  • 📚 Comprehensive vehicle diagram database
  • 💰 Free version available with good content
  • 🎯 Helpful for car diagnostics and repairs
  • ⚡ Quick access to wiring information

Room to Improve

  • 📺 Excessive advertisements in free version
  • 🐛 Frequent app crashes and instability on iOS
  • 🚫 Limited vehicle coverage (missing years and models)
Simurelay#3

Simurelay by Abdessamed Benkabouya

Worth Considering
📚 Education
4.0(15 ratings)
FreeIn-App Purchases
Simurelay screenshot 1
Simurelay screenshot 2
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Design and simulate electromechanical systems with a wide range of basic electrical components. Create detailed electrical diagrams using relays, switches, buttons, contactors, and timers.

More Wiring Diagram apps to explore

4
Electrical Wiring Simulator
Electrical Wiring Simulator
Electrical Wiring Simulator
Practice Anytime, Anywhere
Free
$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.

Step-by-step simulationsReal-world wiring practiceLoad control and switching
📚 Education
(82)
paid
5
Electrical Troubleshooting MS
Electrical Troubleshooting MS
Electrical Troubleshooting MS
Are you a good troubleshooter?
Free

Learn to troubleshoot electrical circuits with a virtual voltmeter and PLC logic. This app offers 17 random electrical problems for a challenging learning experience, allowing you to practice identifying issues in motor starters and control circuits.

17 random electrical problemsVirtual voltmeter with probesAnimated motor starter
📚 Education
(62)
free
6
Electrician Handbook — Basics
Electrician Handbook — Basics
Electrician Handbook — Basics
Electric circuit, voltage, ohm
Free
$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.

Electrical theory topicsInteractive circuit diagramsCalculators and formulas
🔍 Reference
(965)
free
7
EdrawMax - AI Diagram Maker
EdrawMax - AI Diagram Maker
EdrawMax - AI Diagram Maker
Drawing Struct, Org, Flowchart
Free

This AI-powered diagramming tool transforms your ideas into professional visuals effortlessly. Create flowcharts, org charts, mind maps, and more with extensive templates and smart AI assistance. Collaborate seamlessly and export to various formats.

Photo to editable diagram conversionAI-powered diagram generation40,000+ templates and 17,000+ symbols
📊 Productivity
(28)
free with in-app purchases
8
Xm Diagrams
Xm Diagrams
Xm Diagrams
by Tramontana Szamitastechnikai Korlatolt Felelossegu Tarsasag
Free

Access detailed automotive information for the Citroën Xm, including schematic diagrams, wiring layouts, and technical data. Features include an ORGA calculator, error code readouts, and a fuse voltage drop calculator.

Schematic diagrams and wiring layoutsWiring harnesses informationEngine, fluids, and filter data
🔍 Reference
(1)
free
9
EE ToolKit
EE ToolKit
EE ToolKit
Electronics Engineering
Free

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.

Over 160 electronic applicationsMulti-functional keyboardColor code and SMD code tools
📚 Education
(1.4K)
free with in-app purchases
10
SLD | Electrical diagrams
SLD | Electrical diagrams
SLD | Electrical diagrams
Draw schemes easily
$1.99

Easily create single-line electrical diagrams with a vast library of IEC and ANSI standard symbols. Drag and drop components to build your schemes, with options to save and edit in the PRO version.

Create single-line diagramsDrag and drop symbol placementIEC and ANSI standard symbols
📊 Productivity
(130)
free with in-app purchases
11
Wiring Harnesser
Wiring Harnesser
Wiring Harnesser
Wiring Reference & Documenter
Free

This app helps technicians document and reference electrical wiring for projects. It allows users to input connections, view connector details, and navigate through diagrams. Users can also upload images and convert wire gauges.

Input Groups, Connectors, and NetsView connector pin detailsNavigate between associated detail pages
📊 Productivity
(3)
free
12
Electric Toolkit - Calculator
Electric Toolkit - Calculator
Electric Toolkit - Calculator
Electrical Wiring Diagrams
$5.99

This app provides a comprehensive collection of electrical wiring diagrams and calculators for home projects. It includes various switch and fan wiring configurations, outlet diagrams, and essential calculators for grounding, circuit breakers, and voltage drop, adhering to NEC standards.

3-way switch wiring diagramsCeiling fan wiring diagramsGFCI wiring diagrams
🔧 Utilities
(282)
free
13
MindNode – Classic
MindNode – Classic
MindNode – Classic
Mind Mapping, Brainstorm Ideas
Free

Capture, organize, and visualize your thoughts and ideas. This app allows you to brainstorm, structure complex projects, and share your vision in various formats. Stay productive across all your devices with seamless iCloud integration.

Capture thoughts as text, images, links, or tasksOrganize ideas with hierarchical outlines and mind mapsStyle mind maps with themes and stickers
📊 Productivity
(1.9K)
free with in-app purchases
14
Electrical Calculations
Electrical Calculations
Electrical Calculations
by Egal Net di Ettore Gallina
Free

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

Wire size and voltage drop calculationsPower, current, and resistance calculationsMotor performance and connection diagrams
📊 Productivity
(125)
free with in-app purchases
15
Ugly's Electrical References
Ugly's Electrical References
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
📊 Productivity
(1.5K)
paid
16
Electrical Panel Designer
Electrical Panel Designer
Electrical Panel Designer
Switchboard Wiring Diagram
Free
$6.99 | 100% OFF

Design and assemble electrical panels with a comprehensive tool for electricians, designers, and homeowners. Create detailed wiring diagrams, route wires, and manage projects locally on your device. Features include a vast library of components and customizable labeling for clear documentation.

Electrical panel assemblyWire routingDevice library
🎨 Graphics & Design
(21)
freemium
17
Wire Color Code
Wire Color Code
Wire Color Code
Electrical circuit colors
Free

This app helps electricians and DIYers identify electrical wire colors globally. It offers country-specific codes, a large circuit database, and quick search functionality. Customize colors for your projects and enjoy a user-friendly interface for efficient electrical panel wiring.

Global country-specific wire color codesExtensive circuit database (up to 1000 circuits)Quick search for phase colors
📊 Productivity
(654)
free with in-app purchases
18
Circuit Planner
Circuit Planner
Circuit Planner
Draw Circuit Diagrams
$8.99

Design professional IEC circuit diagrams with a user-friendly interface. Access a vast library of symbols, utilize automatic connection features, and export your plans in PDF format. Ideal for electrical engineering projects.

User-friendly interface for circuit diagram creation1056 integrated IEC circuit diagram symbolsAutomatic connection system for precise wiring
📊 Productivity
(10)
paid
19
Circuitry - 3D Circuit Builder
Circuitry - 3D Circuit Builder
Circuitry - 3D Circuit Builder
Engineering made simple
Free

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.

3D circuit buildingGPU-accelerated analysisIntuitive 3D interface
📚 Education
(153)
free
20
Electrical Code-A-Day
Electrical Code-A-Day
Electrical Code-A-Day
Quiz for Electricians
Free

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.

Daily electrical code questionsQuestions written by a real electricianCovers a wide range of electrical topics
📊 Productivity
(8.6K)
free

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