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★ (33) | No | No | Sep 2026 | |
| 3 |  | Free | 2.3★ (24) | No | No | Sep 2026 | |
| 4 |  | $2.99 | 4.6★ (9) | No | No | Aug 2026 | |
| 5 |  | Free | 2.5★ (8) | No | No | May 2026 | |
| 6 |  | Free | 4.7★ (17K) | No | No | Oct 2026 | |
| 7 |  | Free | 4.5★ (58) | No | Yes | Sep 2026 | |
| 8 |  | Free | 4.8★ (23K) | No | No | Oct 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.
This application connects to a specific radon instrument to initiate tests, collect data, and create customized reports. It features a redesigned interface for easier navigation and an online dashboard for data storage and analysis. Professionals can add property details, photos, and secure instruments to their company.
