249+ iOS apps curated and reviewed
If you already know Air Flow Calculator, this is the deeper bench. 249+ airflow calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 | |
| 2 |  | Free | 4.7★ (3) | No | Yes | Sep 2026 | |
| 3 |  | Free | 3.0★ (4) | No | No | May 2026 | |
| 4 |  | $2.99 | 3.5★ (11) | No | No | Aug 2026 | |
| 5 |  | Free | 4.5★ (102) | No | Yes | Sep 2026 | |
| 6 |  | Free | — | No | Yes | Jun 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | May 2026 |
This professional HVAC utility assists engineers and technicians with precise duct sizing and airflow calculations for ventilation systems. It simplifies essential calculations for both design and installation work, improving on-site efficiency.
This utility app simplifies air velocity and flow calculations using Dwyer Pitot Tubes. It supports both US and Metric units for quick spot checks.
