248+ iOS apps curated and reviewed
If you already know Ductulator, this is the deeper bench. 248+ 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 | 4.5★ (35) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.6★ (11) | No | No | Oct 2026 | |
| 3 |  | $3.99 | 4.7★ (358) | No | No | Oct 2026 | |
| 4 |  | Free | 4.5★ (79) | No | No | Oct 2026 | |
| 5 |  | Free | 5.0★ (1) | No | No | Sep 2026 | |
| 6 |  | Free | 5.0★ (1) | Yes | No | Oct 2026 | |
| 7 |  | Free | 5.0★ (3) | No | No | Oct 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | May 2026 |
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 HVAC tool assists professionals with duct sizing calculations based on ASHRAE standards. It supports multiple duct shapes and offers intelligent features to ensure accurate and reliable designs for real-world scenarios.
Instantly calculate HVAC duct sizes based on airflow, friction rate, or velocity. This tool provides accurate duct dimensions in seconds without needing charts, supporting various duct types and units.
