Nitrox Buddy vs SDI TDI ERDI PFI Usage & Stats

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.

Apple App Store
Free
Sports

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SDI TDI ERDI PFI

Introducing the SDI/TDI/ERDI/PFI Mobile App from Scuba Diving International (SDI), Technical Diving International (TDI), Emergency Response Diving International (ERDI), Performance Freediving International (PFI). DIGITAL CERTIFICATIONS Now you can always have all your certifications with you. The SDI/TDI/ERDI/PFI Mobile App allows you to access, download and share your digital certification cards. No payment or syncing required! Sign in and instantly your certifications from all our agencies will be visible. It’s that simple. You can download the certifications to your phone or send them as an email. UPDATE YOUR PROFILE ON TDISDI.COM Forgot to upload a photo? Need to edit your address? Log in and update your photo and contact info directly through the app. EXPLORE SDI/TDI/ERDI/PFI The SDI/TDI/ERDI/PFI Mobile App gives you access to all of your favorite content from our YouTube channel to blogs on the website. Swap between agencies to find something totally new! FIND DIVE CENTERS AND INSTRUCTORS WORLDWIDE If you’re looking for your next adventure, or about to land at a new destination, you can search for our affiliated facilities directly through the app.