The PADI App™ provides scuba tools and resources at your fingertips, created to enhance your diving experience. Home Stay up to date with PADI and see everything that PADI has to offer! Learn Refresh your hand signals, view PADI courses, and learn how to tie pro-level knots in the Learn section. Dive Prepare for your next dive trip with the Dive section of the PADI App. Access your eCards, use checklists to prepare you for your dive day or vacation, search for local dive centers, and more. Log Use the PADI logbook to keep track of all of your dives in one place.