250+ iOS apps curated and reviewed
Finding the right 2023 nec code book apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (161) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.6★ (197) | No | No | Aug 2026 | |
| 3 |  | Free | 4.8★ (9.2K) | No | No | Sep 2026 | |
| 4 |  | $9.99 | — | No | No | Jun 2026 | |
| 5 |  | $12.99 | 4.4★ (1.5K) | No | No | Sep 2026 | |
| 6 |  | Free | 4.3★ (4) | No | Yes | Sep 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 3.4★ (5) | Yes | No | May 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 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.
