Dive Log: Scuba Logbook

Dive Log is a beautiful digital scuba logbook for divers who want every dive, every site and every certification in one place — on their own device, forever.

Log a dive in under a minute. See your whole diving life on a map. Never lose a paper logbook to seawater again.

PURCHASE REQUIRED
Dive Log is a paid app with no free tier. A purchase of Dive Log Pro is required to log, view and edit dives. Choose a 3-day free trial followed by an annual subscription, a monthly subscription, or a one-time lifetime purchase. Full pricing and terms are shown in the app before you buy.


LOG EVERY DIVE
• Dive number, date and time, filled in for you
• Max depth, average depth and bottom time
• Water and air temperature, visibility
• Weights, gas mix (Air, Nitrox 32/36/40, Trimix, Heliox)
• Start and end tank pressure, with gas used calculated
• Salt or fresh water, and dive type: boat, shore, wreck, reef, cave, night, drift, deep or training
• Buddy or dive guide, a 5-star rating, and free-form notes

MAP EVERY DIVE SITE
• Every site you dive is pinned on your own world map with GPS coordinates
• Tap "Use My Location" at the site to capture the exact entry point
• See how many dives you've logged at each site and your deepest dive there
• Open any site in Apple Maps to get back to it

KEEP YOUR UNDERWATER PHOTOS WITH YOUR DIVES
• Attach your own photos to any dive and browse a gallery on every entry
• Photos stay on your device — nothing is ever uploaded

CARRY YOUR CERTIFICATIONS
• Store Open Water, Advanced, Nitrox, Rescue, Deep and Divemaster cards
• Add a photo of the card, plus number, agency, date and instructor
• Works offline, so your cards are with you on the boat with no signal

TRACK YOUR GEAR
• Regulators, BCDs, computers, suits, fins, tanks, lights and cameras
• Store brand, serial number and purchase date
• Set a service interval and Dive Log flags any item that's overdue

LOG THE MARINE LIFE YOU SEE
• Record every species on every dive — turtles, mantas, sharks, nudibranchs

SEE YOUR PROGRESS
• Total dives, total time underwater and total sites
• Deepest dive, longest bottom time and average depth
• Depth trend across your whole diving career
• Dives per month and a breakdown of the gas mixes you breathe
• A dive-profile summary chart on every dive

METRIC OR IMPERIAL
• Switch between metres/°C/kg/