24+ iOS apps curated and reviewed
Mike Holt's Electrical Toolbox is the household name in mike holt, but it's far from the only option. We track 24+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (197) | No | No | Jun 2026 |
| 2 |  | Free | 4.8★ (8.6K) | No | No | Jul 2026 |
| 3 |  | Free | 3.5★ (16) | No | No | May 2026 |
| 4 |  | Free | 4.5★ (746) | No | No | Jul 2026 |
| 5 |  | Free | 4.7★ (400) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.6★ (1.5K) | No | No | Jul 2026 |
| 7 |  | Free | 4.6★ (125) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.7★ (165) | No | Yes | Jul 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 free tool consolidates essential electrical calculations and reference guides into a single app. It offers precise tools for conduit bending, wire sizing, voltage drop, and conduit fill, designed to enhance fieldwork efficiency and accuracy for professionals. The app functions offline, ensuring constant access to critical information.
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 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.
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.
This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.
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.
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.
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.
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.
This app facilitates seamless information transfer for electrical prefabrication shops and job sites. Access project summaries, completion status, and step-by-step bend instructions directly on your mobile device, reducing paper waste and boosting efficiency.
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.
This educational app provides comprehensive coverage of electrical engineering topics, from basic to advanced concepts. It features over 500 topics with objective questions and answers, explained clearly with images. The app is designed for offline use, making learning accessible anytime, anywhere.
This app provides electricians with essential tools for conduit bending, calculations, and quick reference. It simplifies electrical work with features like voltage drop calculation and a user-friendly fraction calculator.
Plan and book affordable, sustainable train journeys between London and Edinburgh. Access live UK train times, platform details, and mobile tickets directly within the app. Save money with advance ticket options for a convenient travel experience.
This app offers a variety of casual party games with a Desi twist, perfect for group gatherings. Enjoy guessing, acting, and drawing games with customizable categories and offline play.
This app provides electrical code and design calculations for professionals working with wiring systems. It includes tools for ampacity, wire sizing, box fill, and conduit fill, based on the 2011 National Electrical Code.