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Best Electrical Code Apps

249+ iOS apps curated and reviewed

4.5 avg rating
15 free apps
Updated August 2026

Every iPhone needs a few good electrical code apps. We benchmark 249+ 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 Electrical Code Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Electrical Code-A-DayElectrical Code-A-DayFree4.8★ (8.6K)NoNoAug 2026
2Mike Holt's Electrical ToolboxMike Holt's Electrical ToolboxFree4.6★ (197)NoNoAug 2026
3Ask BONBON - NEC Code AIAsk BONBON - NEC Code AIFree was $14.994.6★ (42)NoYesAug 2026
4Wire Color CodeWire Color CodeFree4.6★ (999)NoYesAug 2026
5Ugly's Electrical ReferencesUgly's Electrical References$12.994.4★ (1.5K)NoNoAug 2026
6Electrical Code MeisterElectrical Code MeisterFree—NoNoMay 2026
7NEC MasteryNEC MasteryFree4.8★ (160)NoYesAug 2026
8Captain Code NEC Code ChangesCaptain Code NEC Code ChangesFree3.4★ (5)YesNoMay 2026

Top Picks for Electrical Code

Electrical Code-A-Day#1

Electrical Code-A-Day by PawEng, LLC

Quiz for Electricians
Editor's Choice
📊 Productivity
4.8😊(8.6K ratings)
Free
Electrical Code-A-Day screenshot 1
Electrical Code-A-Day screenshot 2
Electrical Code-A-Day screenshot 3
Electrical Code-A-Day screenshot 4

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
Mike Holt's Electrical Toolbox#2

Mike Holt's Electrical Toolbox by Mike Holt Enterprises

Electrical Power Calculator
Strong Contender
🔧 Utilities
4.6(197 ratings)
Free
Mike Holt's Electrical Toolbox screenshot 1
Mike Holt's Electrical Toolbox screenshot 2
Mike Holt's Electrical Toolbox screenshot 3
Mike Holt's Electrical Toolbox screenshot 4

This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.

Ask BONBON - NEC Code AI#3

Ask BONBON - NEC Code AI by Bonbonelectric

Electrical & NEC AI Assistant
Worth Considering
📊 Productivity
4.6😊(42 ratings)
FreeIn-App Purchases
Ask BONBON - NEC Code AI screenshot 1
Ask BONBON - NEC Code AI screenshot 2
Ask BONBON - NEC Code AI screenshot 3
Ask BONBON - NEC Code AI screenshot 4
Ask BONBON - NEC Code AI screenshot 5
Ask BONBON - NEC Code AI screenshot 6

This AI-powered assistant provides instant answers to National Electrical Code (NEC) questions for electricians. Get precise code information, explanations, and troubleshooting help directly on the job site to ensure compliance and build confidence.

What We Love

  • 🚀 Very Helpful App
  • 👍 User Friendly
  • 👍 Accurate and Precise Answers
  • 👍 Saves Time and Headache

More Electrical Code apps to explore

4
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
(999)
free with in-app purchases
5
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
6
Electrical Code Meister
Electrical Code Meister
Electrical Code Meister
NEC 2023 Journeyman Exam Prep
Free
📚 Education
(0)
7
NEC Mastery
NEC Mastery
NEC Mastery
8000+ Questions & Explanations
Free

Prepare for electrician certification exams with over 8,000 practice questions and detailed explanations. Access a comprehensive quick reference guide and 20 professional NEC calculators for on-the-job use. Track work hours with a built-in log for state board submissions.

8000+ exam-style questions20 NEC calculatorsQuick reference guide
📚 Education
(160)
free with in-app purchases
8
Captain Code NEC Code Changes
Captain Code NEC Code Changes
Captain Code NEC Code Changes
Guide from 2023 - 2014
Free

This app provides electrical professionals with up-to-date National Electrical Code information. It offers searchable access to code changes, expert analysis, and manufacturer insights, complete with illustrations to aid comprehension.

Searchable by market vertical, product, or article numberDirect NEC text extractionExpert analysis from IAEI
🔍 Reference
(5)
ad-supported
9
NEC Code Studio & Tools
NEC Code Studio & Tools
NEC Code Studio & Tools
Electrical Code Illustrations
$2.99
$5.99 | 50% OFF
🔧 Utilities
(0)
10
Guiomar Field Electrical Tools
Guiomar Field Electrical Tools
Guiomar Field Electrical Tools
by Carlos Pimenta
Free
🔧 Utilities
(0)
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
Master Electrician - Code AI
Master Electrician - Code AI
Master Electrician - Code AI
AI Code Lookup & Calculators
Free

This app acts as an AI-powered code expert for electricians, providing instant, cited answers to code questions and analyzing electrical installations for compliance. It includes a suite of essential calculators and a quick reference library for on-the-job use.

AI-powered code question answeringElectrical installation compliance scanningProfessional electrical calculators
🔍 Reference
(1)
free with in-app purchases
13
Ohm's Law
Ohm's Law
Ohm's Law
by Creature Code Mobile, LLC
Free

This utility app calculates electrical resistance, voltage, and current using Ohm's Law. It provides a quick and easy way to solve electrical formulas for various applications.

Ohm's Law calculationsVoltage calculationCurrent calculation
🔧 Utilities
(165)
free with in-app purchases
14
E Codes
E Codes
E Codes
Tool for the EU EC Guidelines
Free
💼 Business
(0)
15
MasterCode NEC
MasterCode NEC
MasterCode NEC
NEC Answers for Electricians.
Free
🔍 Reference
(0)
16
Code Buddy
Code Buddy
Code Buddy
#1 AI Tool for Skilled Trades
Free

This AI-powered tool helps skilled tradesmen quickly find and understand electrical codes and requirements. It offers real-time translation and up-to-date references for various standards, assisting with compliance and efficiency on the job.

AI-powered code queryingReal-time translationUp-to-date code libraries (NEC, OSHA, ANSI)
🔧 Utilities
(6)
freemium
17
Electrical Wire Color Codes
Electrical Wire Color Codes
Electrical Wire Color Codes
Circuit color reference
$2.99
🔍 Reference
(0)
18
Electrical Systems Visual Lab
Electrical Systems Visual Lab
Electrical Systems Visual Lab
Learn Electrical · NEC · Labs
$1.99
$7.99 | 75% OFF
📚 Education
(0)
19
Electrical Wiring Codes
Electrical Wiring Codes
Electrical Wiring Codes
Wire Color Guide + Watch App
$0.99
🔍 Reference
(0)
20
Simubus
Simubus
Simubus
Electrical Wiring Simulator
Free
🔧 Utilities
(0)

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FAQ about Electrical Code

What are the best electrical code apps for iPhone?
Electrical Code-A-Day tops our electrical code apps ranking as of August 2026, with a 4.8-star average from 8.6K App Store ratings, and it's free to download.
Yes — 15 of the top electrical code apps we rank are free to download, including Electrical Code-A-Day and Mike Holt's Electrical Toolbox.
Electrical Code-A-Day has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ electrical code apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides a daily quiz question based on the electrical code in the United States. It's designed to help electricians of all levels test and improve their knowledge of electrical concepts and regulations.
The quiz covers a broad spectrum of electrical topics, including ampacity, wiring methods, conduit fill, electrical safety, grounding and bonding, motor data, and much more. The questions are written by a real electrician and are based on the US electrical code.

Related searches

national electrical codeelectrical code-a-dayelectrical code bookelectrical code meister