A voice-powered assistant for electricians that provides offline access to NEC references and professional calculators. Quickly get answers to code questions and perform calculations without needing an internet connection.






243+ iOS apps curated and reviewed
Finding the right commercial electrical 3d guide apps can be overwhelming with so many options. We've analyzed 243+ 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 | $2.99 | — | No | No | Jun 2026 | ||
| 2 | Free | 5.0★ (4) | No | Yes | Sep 2026 | ||
| 3 | Free | 4.6★ (197) | No | No | Aug 2026 | ||
| 4 | Free | 4.8★ (111) | Yes | Yes | Sep 2026 | ||
| 5 | Free | 4.8★ (6) | No | Yes | Oct 2026 | ||
| 6 | Free | 4.6★ (32) | No | No | Jul 2026 | ||
| 7 | Free | 5.0★ (1) | No | Yes | Sep 2026 | ||
| 8 | $12.99 | 4.4★ (1.5K) | No | No | Oct 2026 |












A voice-powered assistant for electricians that provides offline access to NEC references and professional calculators. Quickly get answers to code questions and perform calculations without needing an internet connection.




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.