214+ iOS apps curated and reviewed
The best nec 725 class 1 2 3 circuits apps on iPhone average 4.4★ across 214+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free was $14.99 | 4.7★ (36) | No | No | Jul 2026 |
| 2 |  | Free | 4.6★ (60) | No | Yes | May 2026 |
| 3 |  | Free | 4.8★ (8.6K) | No | No | Jul 2026 |
| 4 |  | $12.99 | 4.4★ (1.5K) | No | No | Jul 2026 |
| 5 |  | Free | 4.6★ (197) | No | No | Jul 2026 |
| 6 |  | Free | 3.1★ (23) | No | Yes | Jul 2026 |
| 7 |  | Free | 3.9★ (153) | No | No | Jul 2026 |
| 8 |  | Free | 4.5★ (17) | Yes | Yes | Jul 2026 |
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.
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.
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.
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 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.
This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.
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.
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.
This app offers over 55 electronic circuit calculations, conversions, and experiments. It simplifies complex circuit problems for engineers, students, and hobbyists, providing instant variable value calculations and precise component analysis.
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.
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.
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.
Calculate electrical box and conduit fill accurately according to the NEC. This app provides instant, reliable calculations for electricians, contractors, and students, saving time on job sites. It offers support for various box and conduit types, conductor sizes, and includes wire volume data.
This app simplifies electrical work by providing quick access to electrical codes and performing complex calculations for installations. It helps electricians find conductor ampacity, calculate voltage drop, determine box fill, and size raceways, among many other essential functions.
Streamline electrical design and permitting with powerful tools for load calculations, panel schedules, and single-line diagrams. Quickly reference the National Electrical Code with an AI-powered chatbot and generate instant PDF reports for inspectors and clients.
This app provides a comprehensive suite of calculators and reference tools for electronics enthusiasts and professionals. It includes features for component identification, circuit calculations, and electrical property analysis, aiding in both study and practical work.
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.
Design, build, and test electronic circuits in a realistic 3D environment. This app offers a virtual workbench with over 150 simulated parts and tools to experiment with circuits, diagnose issues, and visualize component behavior.
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.
Prepare for the NEC Electrical Exam 2025 with interactive quizzes, mock tests, and detailed analysis. Master the National Electrical Code with expert explanations and track your progress. Study offline anytime, anywhere.