This app is a premium digital guide for Nitrox diving, offering educational content and calculation tools to optimize dives. It helps divers understand oxygen limits, plan dives using gradient factors, and prepare for certification.






242+ iOS apps curated and reviewed
If you already know Nitrox by Envivia, this is the deeper bench. 242+ scuba nitrox apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (1) | No | Yes | Aug 2026 | ||
| 2 | Free | — | No | No | May 2026 | ||
| 3 | Free | 4.9★ (468) | No | Yes | Sep 2026 | ||
| 4 | $5.99 | 5.0★ (4) | No | No | Aug 2026 | ||
| 5 | Free | — | No | No | May 2026 | ||
| 6 | Free | 1.0★ (2) | No | No | May 2026 | ||
| 7 | Free | — | No | Yes | Aug 2026 | ||
| 8 | Free | 3.5★ (20) | No | Yes | Sep 2026 |






This app is a premium digital guide for Nitrox diving, offering educational content and calculation tools to optimize dives. It helps divers understand oxygen limits, plan dives using gradient factors, and prepare for certification.









This application serves as a straightforward calculator for nitrox and enriched air divers. It quickly computes essential dive data such as Maximum Operating Depth (MOD), Equivalent Air Depth (EAD), Best Mix, and Partial Pressure of Oxygen (PPO2). It supports both imperial and metric units and offers a companion watch app for on-the-go calculations.