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Best Car Electrical Wiring Diagram Apps

250+ iOS apps curated and reviewed

4.0 avg rating
12 free apps
Updated August 2026

Every iPhone needs a few good car electrical wiring diagram apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Car Electrical Wiring Diagram Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CarminCarminFree4.3★ (223)YesYesAug 2026
2Electrician Handbook — BasicsElectrician Handbook — BasicsFree was $5.994.8★ (986)NoYesAug 2026
3Autowire - Car Wiring DiagramsAutowire - Car Wiring DiagramsFree—NoYesAug 2026
4SimurelaySimurelayFree3.9★ (17)NoYesAug 2026
5ElectroSim: Electrical WiringElectroSim: Electrical WiringFree4.4★ (56)NoYesAug 2026
6wire-rvrcityaiwire-rvrcityaiFree4.5★ (2)NoNoMay 2026
7Electrical Wiring SimulatorElectrical Wiring SimulatorFree was $19.994.7★ (246)NoYesAug 2026
8Electric Toolkit - CalculatorElectric Toolkit - Calculator$5.994.8★ (288)NoNoAug 2026

Top Picks for Car Electrical Wiring Diagram

Carmin#1

Carmin by Chuan Nguyen Van

Automotive Wiring Diagrams
Editor's Choice
🔍 Reference
4.3😐(223 ratings)
FreeAdsIn-App Purchases
Carmin screenshot 1
Carmin screenshot 2
Carmin screenshot 3
Carmin screenshot 4
Carmin screenshot 5
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)
Electrician Handbook — Basics#2

Electrician Handbook — Basics by Sergey Vavaev

Electric circuit, voltage, ohm
Strong Contender
🔍 Reference
4.8😊(986 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

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.

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 Car Electrical Wiring Diagram apps to explore

4
Simurelay
Simurelay
Simurelay
by Abdessamed Benkabouya
Free

Design and simulate electromechanical systems with a wide range of basic electrical components. Create detailed electrical diagrams using relays, switches, buttons, contactors, and timers.

Design electromechanical systemsSimulate electrical diagramsBasic electrical components library
📚 Education
(17)
free with in-app purchases
5
ElectroSim: Electrical Wiring
ElectroSim: Electrical Wiring
ElectroSim: Electrical Wiring
Simulator Practice & Circuits
Free

Design, build, and test realistic electrical circuits on your mobile device. This app offers real-time simulations, guided tutorials, and a library of expert-created circuits for hands-on learning. Practice wiring safely and effectively for vocational training or self-study.

Design and build electrical circuitsReal-time circuit simulationGuided wiring tutorials
📚 Education
(56)
freemium
6
wire-rvrcityai
wire-rvrcityai
wire-rvrcityai
Wires
Free

This app provides vehicle owners and DIY enthusiasts with instant access to wiring diagrams and instructions for installing aftermarket products. It supports all makes and models, ensuring accurate and reliable information for car, truck, and SUV modifications.

Instant vehicle wiring information accessAccurate API-driven dataSimple and easy-to-use interface
📚 Education
(2)
free
7
Electrical Wiring Simulator
Electrical Wiring Simulator
Electrical Wiring Simulator
Electrician Circuit Trainer
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
(246)
paid
8
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
(288)
free
9
Circuit Wiring Simulator
Circuit Wiring Simulator
Circuit Wiring Simulator
Circuit simulation software
Free
🔧 Utilities
(0)
10
Electrical Wiring Codes
Electrical Wiring Codes
Electrical Wiring Codes
Wire Color Guide + Watch App
$0.99
🔍 Reference
(0)
11
HVAC Ladder: Wiring Diagrams
HVAC Ladder: Wiring Diagrams
HVAC Ladder: Wiring Diagrams
Electrical control schematics
$9.99
📊 Productivity
(0)
12
Wiring & Controls - Diagrams
Wiring & Controls - Diagrams
Wiring & Controls - Diagrams
by Mr Combi Sales Ltd.
$4.99

This app provides clear, colored wiring diagrams for Danfoss and Honeywell control systems. It simplifies complex circuits for 2 and 3 port installations, aiding in wiring and fault finding. Diagrams include fully wired, live wire, schematic, and thermostat-specific views.

Colored wiring diagramsDanfoss and Honeywell systems2 and 3 port installations
📊 Productivity
(2)
paid
13
modifAI: AI Car Design & Mods
modifAI: AI Car Design & Mods
modifAI: AI Car Design & Mods
Customize Cars & Modifications
Free
🎨 Graphics & Design
(0)
14
Electrical Calculator Pro
Electrical Calculator Pro
Electrical Calculator Pro
Wiring, Cable & Load Tools
Free
🔧 Utilities
(0)
15
Car Warning Lights Explained
Car Warning Lights Explained
Car Warning Lights Explained
Car Dashboard Lights Meaning
$1.99

Understand your car's dashboard warning lights with detailed explanations for all brands and models. Know if you can fix it yourself or if immediate professional help is needed, empowering you to make informed decisions about your vehicle's health.

537 dashboard warning lights explainedCovers all car brands and modelsIncludes SUVs, trucks, hybrids, and diesels
🔍 Reference
(0)
paid
16
House Electrical Design Tools
House Electrical Design Tools
House Electrical Design Tools
Residential ElectricalDesigner
$2.99
$5.99 | 50% OFF
🔧 Utilities
(0)
17
TrueLine: One-Line Diagram
TrueLine: One-Line Diagram
TrueLine: One-Line Diagram
Electrical One-Line Generator
Free
🔧 Utilities
(0)
18
Circuit Diagram – EduTech Era
Circuit Diagram – EduTech Era
Circuit Diagram – EduTech Era
Electric Circuits Made Easy
$1.99

Learn the fundamentals of electric circuits with interactive 3D diagrams and animations. Explore components, current flow, and real-life applications in an engaging, offline learning experience. Ideal for students and self-learners.

Interactive 3D circuit diagramsZoom, rotate, and pan functionalityAnimations demonstrating current flow
📚 Education
(0)
paid
19
Wire It Right
Wire It Right
Wire It Right
by BRADLEY JOSEPH AUBUCHON
$1.99
📚 Education
(0)
20
Club Car Sales App
Club Car Sales App
Club Car Sales App
by Club Car, LLC
Free
💼 Business
(0)

FAQ about Car Electrical Wiring Diagram

What are the best car electrical wiring diagram apps for iPhone?
Carmin tops our car electrical wiring diagram apps ranking as of August 2026, with a 4.3-star average from 223 App Store ratings, and it's free to download.
Yes — 12 of the top car electrical wiring diagram apps we rank are free to download, including Carmin and Electrician Handbook — Basics.
Carmin shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ car electrical wiring diagram apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides a regularly updated library of automotive electrical wiring diagrams. It's designed to be used as a reference for car repairs or for educational purposes, offering access to videos and technical documents.
Key features include access to trustful electrical wiring diagrams that are updated regularly. It also offers a library of videos and technical documents for research and reference, all accessible with a few clicks.