249+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our NEC calculator list covers 249+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | Yes | Oct 2026 | |
| 2 |  | Free | 5.0★ (1) | No | No | Oct 2026 | |
| 3 |  | Free | 5.0★ (3) | No | Yes | Jun 2026 | |
| 4 |  | Free | — | No | Yes | Jul 2026 | |
| 5 |  | Free | 5.0★ (1) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.6★ (36K) | Yes | Yes | Nov 2026 | |
| 7 |  | Free | 4.2★ (1.4K) | No | No | Nov 2026 | |
| 8 |  | Free | 4.9★ (410K) | Yes | No | Nov 2026 |
This offline toolkit provides electricians with nine essential NEC calculation and reference tools. It offers detailed conduit bending guides, load calculations, voltage drop analysis, and code summaries, all accessible without an internet connection. Designed for field use with large tap targets and dark mode.
This app provides professional NEC electrical calculations for electricians and engineers. It features ampacity, voltage drop, and conduit fill calculations, with a unique 2D visualizer to see conductor layouts. Generate inspector-ready PDF reports for documentation and record-keeping.
