246+ iOS apps curated and reviewed
If you already know FieldFab, this is the deeper bench. 246+ duct apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (65) | No | No | Jul 2026 | |
| 2 |  | Free | 4.6★ (33) | No | Yes | Oct 2026 | |
| 3 |  | Free | 5.0★ (1) | Yes | No | Oct 2026 | |
| 4 |  | $9.99 | 4.8★ (232) | No | No | Sep 2026 | |
| 5 |  | Free | 5.0★ (1) | No | No | Sep 2026 | |
| 6 |  | Free | 4.6★ (11) | Yes | No | Jul 2026 | |
| 7 |  | $3.99 | 4.7★ (317) | No | No | Oct 2026 | |
| 8 |  | Free | 4.6★ (151) | Yes | Yes | Oct 2026 |
This app helps HVAC installers create precise ductwork transitions in the field using augmented reality. It streamlines the process of measuring, designing, and visualizing complex ductwork before cutting any materials, saving time and reducing errors.
This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.
This utility app provides precise offset calculations for sheet metal workers, HVAC fabricators, and pipefitters. It offers real tape-measure fractions for cut lengths, arc lengths, and elbow centerlines, working entirely offline for jobsite reliability.
