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.






218+ iOS apps curated and reviewed
Whether you're new to commercial electrical design or looking for an upgrade, our curated collection of 218+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | $2.99 was $5.99 | — | No | No | Jun 2026 | |
| 2 | Free | 4.6★ (197) | No | No | Jul 2026 | |
| 3 | Free | 4.8★ (8.6K) | No | No | Aug 2026 | |
| 4 | Free | 4.7★ (2.4K) | No | No | Aug 2026 | |
| 5 | $12.99 | 4.4★ (1.5K) | No | No | Aug 2026 | |
| 6 | Free | 3.1★ (410) | No | No | Aug 2026 | |
| 7 | Free | 4.7★ (973) | No | Yes | Aug 2026 | |
| 8 | Free was $14.99 | 4.7★ (41) | No | Yes | Aug 2026 |










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.


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 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 streamlines commercial building maintenance and construction for field teams. It connects technicians with office staff, enabling real-time access to job details, time tracking, photo capture, and equipment management. AI features further enhance efficiency by automating data capture from asset nameplates.


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.


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 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 serves as a comprehensive NEC code calculator for electrical professionals. It helps electricians, contractors, and inspectors quickly and accurately solve common electrical calculations based on National Electric Codes, with support for multiple code versions and in-app purchases for updates.


This app provides electrical calculations and references based on the 2017 Electrical Code. It supports multiple code versions and offers features for wire sizing, box fill, conduit fill, residential load calculations, and voltage drop.


This digital handbook provides electricians and related professionals with essential electrical formulas, diagrams, and reference tables. It offers calculations, a dictionary of terms, and detailed information on wiring, motors, transformers, and more, all accessible on a mobile device.


This app provides a comprehensive solution for maintenance management and work order tracking, designed for field technicians and managers. It simplifies task assignment, asset information access via QR codes, and safety inspections, while also offering inventory management capabilities.


This app provides mobile access to custom forms, eliminating paper and reducing manual input errors. Create and deploy forms in minutes without technical expertise, collecting richer data in real-time from smartphones and tablets, even offline.


Design and assemble electrical panels with a comprehensive tool for electricians, designers, and homeowners. Create detailed wiring diagrams, route wires, and manage projects locally on your device. Features include a vast library of components and customizable labeling for clear documentation.


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.


Prepare for electrical safety and code examinations with AI-powered practice tests and mock exams. Track your progress and assess your readiness with curated questions reflecting current industry standards. This independent tool is designed to enhance your study experience.


Easily create single-line electrical diagrams with a vast library of IEC and ANSI standard symbols. Drag and drop components to build your schemes, with options to save and edit in the PRO version.


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.


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.