Nitrox Buddy

Nitrox/Enriched Air Calculator

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

Nitrox Buddy is a no-frills calculator app for nitrox/enriched air divers - use it to quickly calculate the most important data for your dive: Maximum Operating Depth/MOD, Equivalent Air Depth/EAD, Best Mix and PPO2. The app works with imperial or metric measurements, sea or fresh water, and allows you to select the maximum oxygen content and partial pressure. A companion watch app puts lets you perform all these calculations on your wrist.

Ratings & Reviews

  • 4.9
    out of 5
    477 Ratings

Finally got around to adapting the app to iOS 26

Version 2.4

The developer, Gereon Steffens, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Gereon Steffens
    Size
    • 6.4 MB
    Category
    • Sports
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.0 or later.
    • Apple Watch
      Requires watchOS 26.0 or later.
    Languages
    English and 2 more
    • English, French, German
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Gereon Steffens
  • Privacy Policy

    • More by Gereon Steffens

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