242+ iOS apps curated and reviewed
Public Safety Dive Calculator is the household name in public safety dive calculator, but it's far from the only option. We track 242+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.3★ (4) | No | No | Oct 2026 | |
| 2 |  | Free | 4.6★ (25) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.0★ (1) | No | Yes | Oct 2026 | |
| 4 |  | Free | — | No | No | Jul 2026 | |
| 5 |  | Free | 4.9★ (489) | No | Yes | Nov 2026 | |
| 6 |  | $8.99 | 3.3★ (3) | No | No | Oct 2026 | |
| 7 |  | Free | 4.8★ (855) | No | No | Oct 2026 | |
| 8 |  | Free | 1.0★ (2) | No | No | May 2026 |
This app provides a quick and reliable toolkit for public safety dive teams to calculate essential dive planning values. It includes calculators for gas partial pressure, consumption, surface air consumption, tank factor, tank volume, and maximum operating depth. Designed for speed and clarity in field use, it serves as an educational aid for divers, supervisors, and instructors.
This app provides comprehensive scuba diving calculations, including basic, nitrox, and trimix gas mixes. It supports both metric and imperial units, and allows for gas volume and cost calculations for blending and top-ups. Results can be easily copied for documentation.
This app calculates critical dive gas parameters like MOD, EAD, and END, showing all derivations. It offers advanced planning tools for dive profiles and bottom time, with sharing capabilities and home/lock screen widgets for quick access. All core gas calculations are free, with advanced features available via a one-time purchase.
