250+ iOS apps curated and reviewed
Airflow CFM Calc HVAC is the household name in airflow cfm calc hvac, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $0.99 | — | Yes | Yes | Jun 2026 | |
| 2 |  | Free | 5.0★ (1) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.2★ (195) | No | No | Oct 2026 | |
| 4 |  | $4.99 | — | No | No | Oct 2026 | |
| 5 |  | $0.99 | — | No | Yes | Aug 2026 | |
| 6 |  | Free | — | No | Yes | Aug 2026 | |
| 7 |  | Free | — | No | Yes | Oct 2026 | |
| 8 |  | Free | — | No | Yes | Oct 2026 |
This professional tool offers 18 HVAC calculators for field use, including BTU, CFM, duct sizing, and psychrometrics. It saves calculation history, job records, and allows PDF export of worksheets. The app works offline and features a high-contrast interface for job sites.
This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.
