229+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our nec code book list covers 229+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (156) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (2.4K) | No | No | Aug 2026 |
| 3 |  | Free | 4.6★ (197) | No | No | Jul 2026 |
| 4 |  | Free | 4.8★ (8.6K) | No | No | Aug 2026 |
| 5 |  | Free | 3.8★ (5) | No | Yes | Jul 2026 |
| 6 |  | Free was $29.99 | 4.9★ (256) | No | Yes | Aug 2026 |
| 7 |  | $12.99 | 4.4★ (1.5K) | No | No | Aug 2026 |
| 8 |  | $1.99 | 3.7★ (24) | No | No | Jul 2026 |
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.
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.
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.
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.
Prepare for your electrical code certification with a comprehensive study tool. Access over 2,500 practice questions with detailed explanations and track your progress. Create custom tests to focus on challenging topics and ensure you're studying the most current code standards.
This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.
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.
This app provides quick access to commonly used information from the 2017 National Electrical Code (NEC). It's designed for electrical engineers and electricians needing on-the-go reference material for office or construction site use.
This tool assists electricians, engineers, and contractors in determining the correct conduit size based on NEC guidelines. It calculates conduit fill percentages and jam probability, saving time compared to manual calculations.
This app provides comprehensive preparation for the IBEW Aptitude Test and serves as a professional NEC reference for electricians. It features AI-powered code lookups, a full conduit bender calculator, and various field calculators. Access essential tools for the job site, including offline capabilities and dark mode.
Prepare for your Journeyman Electrician certification exam with over 1,200 practice questions and detailed explanations. Utilize multiple test modes and a performance analysis system to study efficiently and increase your chances of passing on the first attempt.
Prepare for your Journeyman Electrician certification exams with a comprehensive mobile study tool. Practice over 1,200 questions across various electrical topics, including definitions, calculations, and equipment. Boost your confidence and readiness for the official test.
Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.
Prepare for your electrician license exam with up-to-date questions and detailed explanations. Covers all major topics, offers various test modes, and tracks your progress to help you pass on the first try.
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.
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.
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.
Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.
This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.
Access municipal codes from over 3500 local governments directly on your mobile device. This app offers quick search functionality for fast and accurate results, making it easy to find the information you need.