249+ iOS apps curated and reviewed
Air Density & Altitude is the household name in air density & rad meter pro, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.4★ (19) | No | Yes | Aug 2026 | |
| 2 |  | $2.99 | 4.2★ (32) | No | No | Aug 2026 | |
| 3 |  | $2.99 | 4.6★ (9) | No | No | Aug 2026 | |
| 4 |  | Free | 2.3★ (24) | No | No | Aug 2026 | |
| 5 |  | Free | 2.5★ (8) | No | No | May 2026 | |
| 6 |  | Free | 4.7★ (17K) | No | No | Sep 2026 | |
| 7 |  | Free | 4.8★ (23K) | No | No | Sep 2026 | |
| 8 |  | Free | 4.5★ (54) | No | Yes | 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.
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.
Calculates air density, density altitude, and other atmospheric data using weather services, GPS, or onboard sensors. Offers detailed results and historical tracking, useful for aviation and engine tuning.
