SafetyStop: Dive Toolkit

SafetyStop is the dive app I wanted and could not find: quick enough to use on a boat, honest about what it does not know, and built so your dive log is never trapped anywhere. THE LOGBOOK IS THE STAR Log a dive in seconds. Tap Use My Location and SafetyStop names the water you are actually in and sets salt or fresh for you — the two things every other app makes you type twice. Depth, time, gas, buddy, conditions, notes. Imperial or metric, your choice, switchable any time. NITROX, WITHOUT THE GUESSWORK Enter your mix and get MOD, EAD and PPO2 at working and contingency depths, each marked safe, warning or danger against the limit you set. An acronym key explains every term, because "EAD" should not require a textbook. PLAN THE DIVE, FILL THE TANK Dive planning works out your gas, rock bottom and turn pressure. The tank refill calculator tells you what to add for a target mix, and what…