# Nitrox by Envivia — GF, MOD, deco and planning > Digital guide for Nitrox diving, offering calculations and educational content. (iPhone/iPad app by ENVIVIA.) - Source: https://appshunter.io/ios/app/nitrox-by-envivia/id1613770132 (this page in markdown: same URL + `.md`) - Developer: [ENVIVIA](https://appshunter.io/developer/1583628615) - Category: Education, Sports - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 12+ - Requires: iOS 15.6 · 72 MB - Languages: French (France) - Released: 2022-04-27 - Data updated: 2026-08-29 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/nitrox-by-envivia/id1613770132/reviews.md ## What is Nitrox by Envivia? [Master Nitrox] Nitrox is a premium digital guide dedicated to Nitrox diving (EANx). Designed to support divers in their training and progression, the app combines clear educational content, technical expertise, and reliable calculation tools to optimize every dive. [What Nitrox Allows You To Do] • Accurately calculate your MOD (Maximum Operating Depth)
• Manage oxygen partial pressure (PPO₂)
• Optimize your Nitrox dive planning using gradient factors
• Understand oxygen-related physiological limits
• Effectively prepare for your Nitrox certification [A True Educational Companion] Nitrox is designed for: Divers preparing for a Nitrox certification
Recreational divers looking to improve their safety
Experienced divers seeking to deepen their knowledge
Instructors looking for a structured and reliable support tool The app is more than just a calculator: it helps you understand, anticipate, and adapt your dive parameters. [Important] Nitrox is an educational aid for dive planning. It does not replace recognised training, your training agency’s procedures, or a dive computer. Every dive plan must be adapted to actual conditions, the divers’ experience, and the dive team’s agreed procedures. This is not a medical device. [Multilingual] Available in French, English, Spanish, Italian, and German. [About Nitrox Premium] • Payment will be charged to your iTunes account at confirmation of purchase. • The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. • Subscriptions may be managed by the user, and auto-renewal may be turned off in the iTunes account settings after purchase. Privacy Policy
 https://envivia.fr/policy/nitrox/privacy/ Terms of Use – EULA 
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Calculate MOD (Maximum Operating Depth) - Manage oxygen partial pressure (PPO₂) - Optimize Nitrox dive planning - Understand oxygen-related physiological limits - Prepare for Nitrox certification - Multilingual support ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Premium | $9.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Thank you | $1.99 | one-time | | Popular | $9.99 | one-time | | Generous | $49.99 | one-time | ## Frequently asked questions about Nitrox by Envivia ### What is Nitrox's primary function? Nitrox is a premium digital guide focused on Nitrox diving. It provides educational content and reliable calculation tools to help divers optimize their dives, manage oxygen partial pressure, and plan dives effectively. ### Who is Nitrox designed for? Nitrox is designed for divers preparing for Nitrox certification, recreational divers aiming to enhance their safety, experienced divers looking to expand their knowledge, and instructors seeking a structured support tool. ### What languages does Nitrox support? Nitrox is available in multiple languages, including French, English, Spanish, Italian, and German, making it accessible to a global audience of divers. ### How does Nitrox help with dive planning? Nitrox assists in dive planning by allowing users to accurately calculate their MOD (Maximum Operating Depth), manage oxygen partial pressure (PPO₂), and optimize dives using gradient factors. ### What is the pricing for Nitrox? Nitrox is available for free, with a premium subscription option. The Premium subscription costs $9.99 per year and includes advanced features and content. ### How is the subscription managed in Nitrox? Subscriptions for Nitrox can be managed through your iTunes account settings. Auto-renewal can be turned off at least 24 hours before the current subscription period ends. ### What is the age rating for Nitrox? Nitrox has an age rating of 12+, indicating it is suitable for users aged 12 and older. ### How often is Nitrox updated? The latest version of Nitrox is 26.7.0, and it was last updated on July 24, 2026. This indicates a commitment to ongoing development and improvements. ## Version history (last 5 releases) ### 26.7.2 — 2026-08-19 ——
WHAT’S NEW
—— Version 26.7.2 • Exciting new planning tools • Redesigned interface for a better experience 
• Improved navigation 
• Performance optimizations 
• Minor fixes and improved stability ### 26.7.1 — 2026-08-09 ——
WHAT’S NEW
—— Version 26.7.1 • Exciting new planning tools • Redesigned interface for a better experience 
• Improved navigation 
• Performance optimizations 
• Minor fixes and improved stability ### 26.7.0 — 2026-07-24 ——
WHAT’S NEW
—— Version 26.7.0 • Exciting new planning tools • Redesigned interface for a better experience 
• Improved navigation 
• Performance optimizations 
• Minor fixes and improved stability ### 26.1.3 — 2026-05-01 ——
WHAT’S NEW
—— Version 26.1.3 • Super quiz by level 
• Multilingual version 
• Improved navigation 
• Performance optimizations 
• Minor fixes and improved stability ### 26.1.2 — 2026-04-01 ——
WHAT’S NEW
—— Version 26.1.2 • Super quiz by level
 • Multilingual version 
• Improved navigation
 • Performance optimizations
 • Minor fixes and improved stability ## Apps similar to Nitrox by Envivia | App | Rating | Price | Category | | --- | --- | --- | --- | | [Raid Analyser](https://appshunter.io/ios/app/raid-analyser/id6754834525) | — | Free | Education | | [AED Training Box](https://appshunter.io/ios/app/aed-training-box/id1669054200) | 1.0 (1) | Free | Education | | [GUE.tv](https://appshunter.io/ios/app/guetv/id1459213337) | 5.0 (3) | Free | Education | | [Public Safety Dive Calculator](https://appshunter.io/ios/app/public-safety-dive-calculator/id573040352) | 2.3 (4) | Free | Education | | [Découvrir Autrement](https://appshunter.io/ios/app/decouvrir-autrement/id663358093) | — | Free | Education | | [What The F!sh](https://appshunter.io/ios/app/what-the-fsh/id1639365364) | — | Free | Education | ## More apps by ENVIVIA - [e Palm](https://appshunter.io/ios/app/e-palm/id1589061847) - [iDesat by Envivia](https://appshunter.io/ios/app/idesat-by-envivia/id6776351171) All apps by ENVIVIA: https://appshunter.io/developer/1583628615 ## Related topics [scuba nitrox](https://appshunter.io/ios/topics/scuba-nitrox) · [nitrox buddy](https://appshunter.io/ios/topics/nitrox-buddy) · [gradient sports](https://appshunter.io/ios/topics/gradient-sports) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*