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Best Nec Code Book Apps & Games

250+ iOS apps & games curated and reviewed

4.3 avg rating
16 free apps & games
Updated September 2026

From beginner-friendly picks to power-user tools, our nec code book list covers 250+ iPhone apps and games updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Nec Code Book Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Electrical Code-A-DayElectrical Code-A-DayFree4.8★ (9.2K)NoNoSep 2026
2NEC MasteryNEC MasteryFree4.8★ (161)NoYesSep 2026
3Mike Holt's Electrical ToolboxMike Holt's Electrical ToolboxFree4.6★ (197)NoNoAug 2026
4Ugly's Electrical ReferencesUgly's Electrical References$12.994.4★ (1.5K)NoNoSep 2026
5Master Electrician Ref. LiteMaster Electrician Ref. LiteFree4.7★ (2.5K)NoNoSep 2026
6Southwire® Conduit Fill CalcSouthwire® Conduit Fill CalcFree4.5★ (746)NoNoSep 2026
7MasterElec - NEC Code GuideMasterElec - NEC Code GuideFree—NoYesAug 2026
8A NEC® 2017 Quick ReferenceA NEC® 2017 Quick Reference$1.993.7★ (25)NoNoAug 2026

Top Picks for Nec Code Book

Electrical Code-A-Day#1

Electrical Code-A-Day by PawEng, LLC

Quiz for Electricians
Editor's Choice
📊 Productivity
4.8😊(9.2K ratings)
Free
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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
  • 🐛 Cannot toggle back and forth through questions
NEC Mastery#2

NEC Mastery by Webrich Software Limited

8000+ Questions & Explanations
Strong Contender
📚 Education
4.8(161 ratings)
FreeIn-App Purchases
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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.

More Nec Code Book apps to explore

FAQ about Nec Code Book

What are the best nec code book apps & games for iPhone?
Electrical Code-A-Day tops our nec code book apps & games ranking as of September 2026, with a 4.8-star average from 9.2K App Store ratings, and it's free to download.
Yes — 16 of the top nec code book apps & games we rank are free to download, including Electrical Code-A-Day and NEC Mastery.
Electrical Code-A-Day has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ nec code book apps & games on the iOS App Store as of September 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.

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