Best Car Electrical Wiring Diagram Apps

215+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

Every iPhone needs a few good car electrical wiring diagram apps. We benchmark 215+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Car Electrical Wiring Diagram

Electrical Wiring Simulator#1

Electrical Wiring Simulator by Louie Juera

Practice Anytime, Anywhere
Editor's Choice
📚 Education
4.7(82 ratings)
FreeIn-App Purchases
Electrical Wiring Simulator screenshot 1
Electrical Wiring Simulator screenshot 2
Electrical Wiring Simulator screenshot 3

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.

Simurelay#2

Simurelay by Abdessamed Benkabouya

Strong Contender
📚 Education
4.0(15 ratings)
FreeIn-App Purchases
Simurelay screenshot 1
Simurelay screenshot 2
Simurelay screenshot 3
Simurelay screenshot 4

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

Carmin#3

Carmin by Chuan Nguyen Van

Automotive Wiring Diagrams
Worth Considering
🔍 Reference
4.3😐(175 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)

More Car Electrical Wiring Diagram apps to explore

4
Car Auto Play: Sync & Connect
Car Auto Play: Sync & Connect
Car Auto Play: Sync & Connect
Smart Link GPS Dash Navigation
Free

Transform your iPhone into a CarPlay-like experience without built-in hardware. Access navigation, music, calls, and messages safely with a driver-friendly interface. Includes an AI assistant for vehicle queries and maintenance tracking.

CarPlay-style dashboard interfaceBuilt-in AI chat assistant for vehicle queriesCar knowledge summaries
🔧 Utilities
(2.4K)
free with in-app purchases
5
Car Play Connect: Remote Sync
Car Play Connect: Remote Sync
Car Play Connect: Remote Sync
Digital Mobile Driving
Free

Monitor your vehicle's vital information, track performance stats, and locate essential services like gas stations and EV chargers. This app enhances your driving experience by keeping key data accessible and providing navigation assistance.

Vehicle information dashboardPerformance stats trackingFuel and battery level monitoring
🔧 Utilities
(20K)
subscription
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
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
8
ServiceManual_eng
ServiceManual_eng
ServiceManual_eng
by Gilyong Jang
Free

Access comprehensive service, electrical schematic, and owner's manuals for KG Mobility vehicles. Designed for service network agencies and dealers to ensure correct maintenance techniques across all models.

Service manualsElectrical schematic diagramsOwner's manuals
📚 Books
(2)
free
9
ChargeHub EV Charge Point Map
ChargeHub EV Charge Point Map
ChargeHub EV Charge Point Map
Find All Car Charging Stations
Free

Locate electric vehicle charging stations across North America. Get directions, view live availability, and even pay for charging directly through the app. Users can also contribute to the database by adding new stations and leaving reviews.

EV charger locator mapTurn-by-turn directionsLive station availability data
🗺️ Navigation
(11K)
free with in-app purchases
10
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
11
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
12
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
13
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
14
Electrify America
Electrify America
Electrify America
Public Hyper-Fast EV Charging
Free

Locate and manage electric vehicle charging sessions with access to a vast network of hyper-fast chargers. Find stations, start and stop charging, track your progress, and receive notifications. Compatible with CarPlay and supports various EV models.

Find charging stationsGet directionsManage charging sessions
🗺️ Navigation
(27K)
free with in-app purchases
15
PlugShare: Charging Stations
PlugShare: Charging Stations
PlugShare: Charging Stations
Charge Tesla, Polestar, BYD
Free

Discover and share EV charging stations worldwide. This app provides a comprehensive map with real-time reviews, photos, and filtering options for various plug types and charging speeds. Plan your electric vehicle trips and find compatible chargers easily.

EV charging station mapCommunity reviews and photosFilter by plug type and charging speed
🗺️ Navigation
(139K)
free with in-app purchases
16
Car Play Connect: Digital Key
Car Play Connect: Digital Key
Car Play Connect: Digital Key
For BMW, Ford, Audi, Honda etc
Free

Monitor and control your vehicle remotely from your smartphone. Track fuel levels, tire pressure, battery charge, and lock/unlock doors. Share digital car keys securely and find your parked car with ease.

Remote door lock/unlockDigital car key sharingReal-time vehicle status updates
🔧 Utilities
(2.3K)
subscription
17
Master Electrician Ref. Lite
Master Electrician Ref. Lite
Master Electrician Ref. Lite
A handbook for electricians
Free

This electronic pocket reference guide provides essential information for electrical professionals. It offers calculations, code tables, and detailed sections on motors, ampacities, grounding, and more, all accessible on your mobile device.

Motor and wiring informationAmpacity tablesConduit fill and grounding sizes
📊 Productivity
(2.4K)
paid
18
A Better Routeplanner (ABRP)
A Better Routeplanner (ABRP)
A Better Routeplanner (ABRP)
Better planning for your EV
Free

Plan and navigate electric vehicle trips with detailed route suggestions, including charging stops and estimated durations. This tool provides real-time updates and replanning capabilities while driving, supporting a wide range of EV models.

EV trip planningCharging stop suggestionsReal-time navigation
🗺️ Navigation
(6.3K)
free with in-app purchases
19
My Porsche
My Porsche
My Porsche
Your digital companion
Free

Monitor your Porsche's status, remotely control functions like climate and locks, and manage charging. Plan routes, find charging stations, and access exclusive brand content. Stay connected to your vehicle and the Porsche world.

Vehicle status monitoringRemote vehicle controlNavigation and route planning
🌟 Lifestyle
(12K)
free
20
Tesla
Tesla
Tesla
by Tesla, Inc.
Free

Control and monitor your Tesla vehicle and energy products remotely. Manage charging, climate control, security, and navigation. Also track solar energy production and battery usage.

Real-time charging status and controlRemote climate controlVehicle lock/unlock and location tracking
🌟 Lifestyle
(100K)
free