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/