241+ iOS apps curated and reviewed
If you already know Nitrox by Envivia, this is the deeper bench. 241+ scuba nitrox apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 | |
| 2 |  | $5.99 | 5.0★ (4) | No | No | Aug 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | 4.9★ (468) | No | Yes | Aug 2026 | |
| 5 |  | Free | 1.0★ (2) | No | No | May 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free was $2.99 | — | No | Yes | Aug 2026 | |
| 8 |  | Free | 3.6★ (18) | 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 app provides essential tools for divers to plan and blend enriched air nitrox. It calculates dive parameters like equivalent air depth and maximum operating depth, and supports various blending methods for custom gas mixes. Easily switch between metric and imperial units and save custom settings for frequent use.
