250+ iOS apps curated and reviewed
The best air density apps on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.4★ (19) | No | Yes | Aug 2026 | |
| 2 |  | Free | 3.5★ (8) | No | No | May 2026 | |
| 3 |  | $2.99 | 4.2★ (32) | No | No | Aug 2026 | |
| 4 |  | Free | 4.8★ (184) | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.8★ (9.5K) | No | Yes | Sep 2026 | |
| 6 |  | $2.99 | 4.6★ (9) | No | No | Aug 2026 | |
| 7 |  | Free | 4.6★ (299) | No | Yes | Aug 2026 | |
| 8 |  | $3.99 | 4.8★ (1K) | No | No | Sep 2026 |
This tool calculates air density, density altitude, and dyno correction factors using weather data from various sources, GPS, or onboard barometers. It's designed for tuners and aviators needing precise atmospheric data for performance calculations.
Access real-time weather data for race tracks worldwide, including temperature, humidity, and density altitude. Calculate crucial performance factors like HP correction and ADR for optimal racing conditions.
Calculates crucial atmospheric variables like air density, density altitude, and relative horsepower. Input data can be automatically sourced via GPS and weather stations or entered manually. Supports various measurement units for temperature, altitude, and pressure.
