Best Electrical Troubleshooting Ms Apps

211+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated July 2026

Whether you're new to electrical troubleshooting ms or looking for an upgrade, our curated collection of 211+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Electrical Troubleshooting Ms

Electrical Troubleshooting MS#1

Electrical Troubleshooting MS by David White

Are you a good troubleshooter?
Editor's Choice
📚 Education
4.7(62 ratings)
Free
Electrical Troubleshooting MS screenshot 1
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Electrical Troubleshooting MS screenshot 3
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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.

Electrical Code-A-Day#2

Electrical Code-A-Day by PawEng, LLC

Quiz for Electricians
Strong Contender
📊 Productivity
4.8😊(8.6K ratings)
Free
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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.

What We Love

  • 👍 Helpful for studying electrical content
  • 🚀 Convenient app for refreshing knowledge
  • 💡 Great tool for sharpening knowledge and testing
  • 👍 Awesome for narrowing down NEC questions

Room to Improve

  • 🐛 Lacks explanations for wrong answers
  • 🐛 Some answers may be incorrect or unclear
  • 🐛 Mediocre grammar and proofreading
Electrical Troubleshooter#3

Electrical Troubleshooter by David White

Voltmeter learning tool - Game
Worth Considering
🔧 Utilities
3.5(13 ratings)
Free
Electrical Troubleshooter screenshot 1
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Learn electrical troubleshooting skills using a virtual voltmeter. Solve circuit problems with the fewest tries and shortest time to earn a "5 Star Troubleshooter" certification.

More Electrical Troubleshooting Ms apps to explore

4
PLC AI: PLC Ladder Simulator
PLC AI: PLC Ladder Simulator
PLC AI: PLC Ladder Simulator
Rockwell & Siemens Training
Free

Learn industrial automation and PLC programming through realistic simulations. Practice with Rockwell and Siemens systems, including ladder logic, SCADA, HMI, and VFDs. AI-powered tools offer smart diagnostics and feedback for skill development.

PLC Ladder Logic SimulationRockwell & Siemens TrainingAI-powered Diagnostics
📚 Education
(75)
free with in-app purchases
5
PLC Simulator, PLC Trainer
PLC Simulator, PLC Trainer
PLC Simulator, PLC Trainer
PLC Simulator Learning
Free

Learn the fundamentals of Programmable Logic Controllers (PLCs) with an interactive simulator. Experiment with basic programming concepts, including timers, counters, and logic instructions. Save your progress and revisit projects anytime.

Interactive PLC simulatorLearn PLC basicsExperiment with programming
🔧 Utilities
(53)
free
6
PLC Simulator 2, Ladder Logic
PLC Simulator 2, Ladder Logic
PLC Simulator 2, Ladder Logic
PLC ladder Logic Simulator
Free

This application enables students and professionals to test and explore basic PLC programming using ladder logic on their mobile devices. It supports various instructions, configurable rungs, and includes interactive animations for a hands-on learning experience. Save and modify up to 20 programs, with preloaded examples to aid understanding.

Configurable rungsInput/Output descriptionsLadder logic simulation
🔧 Utilities
(54)
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
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
9
NEC Electrical Exam by Dakota
NEC Electrical Exam by Dakota
NEC Electrical Exam by Dakota
NEC Practice Test Questions
Free

Prepare for your electrical licensing exams with a vast library of practice questions, detailed explanations, and AI-powered assistance. Track your progress and identify weak areas to study more effectively for Journeyman, Master Electrician, and Contractor exams.

Over 3000 exam questionsAI tutor for step-by-step helpPractice specific exam topics
📚 Education
(400)
free with in-app purchases
10
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
11
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
12
Ting
Ting
Ting
by Whisker Labs, Inc.
Free

This app offers two primary functions for home electrical safety. It can prevent electrical fires by detecting hazards with a smart sensor and coordinating repairs, or it can provide real-time power outage alerts and an interactive map for your neighborhood.

Electrical fire preventionSmart sensor for micro-arcsLicensed electrician coordination
🌟 Lifestyle
(93K)
free
13
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
14
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
15
EveryCircuit
EveryCircuit
EveryCircuit
by MuseMaze
Free

Build and simulate electronic circuits with dynamic animations of voltage, current, and charge. Adjust parameters in real-time and generate input signals with your finger. Explore a vast library of components and community designs.

Dynamic voltage, current, and charge animationsReal-time parameter adjustment with analog knobArbitrary input signal generation with finger
📚 Education
(57)
free with in-app purchases
16
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
17
Journeyman Electrician (2025)
Journeyman Electrician (2025)
Journeyman Electrician (2025)
Master NEC Exam Practice Test
Free

Prepare for your journeyman electrician certification exam with practice tests and mock exams covering electrical theory and the National Electrical Code. Track your progress with test history and bookmark important questions for later review.

Extensive practice questionsFull-length mock testsTest history tracking
📚 Education
(278)
free with in-app purchases
18
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
(15)
free with in-app purchases
19
Learn Electrical Engineering
Learn Electrical Engineering
Learn Electrical Engineering
by Pollmine.Com
Free

Master electrical engineering concepts with an AI-powered coach. Access bite-sized video lessons, quizzes, and personalized guidance to enhance your knowledge. Dedicate just 60 minutes weekly to achieve significant learning outcomes.

AI-driven coachBite-sized video lessonsQuizzes
📚 Education
(298)
free
20
Danfoss Troubleshooter
Danfoss Troubleshooter
Danfoss Troubleshooter
Troubleshoot HVACR systems
Free

This app helps HVACR technicians diagnose and resolve system issues. It guides users through common symptoms, identifies potential causes, and recommends solutions. An offline database is available for use in remote locations.

Diagnose HVACR system issuesIdentify common symptomsRecommend solutions
🔧 Utilities
(3)
free