Guides
Guides for your dive log
Moving your logbook across, and making sense of what it tells you.
Move your logbook from MacDive
Export UDDF or MacDive XML and import it, profiles, sites, buddies and kit included.
Move your logbook from Subsurface
Use your Subsurface logbook file as it is, trips and dive sites included.
Import a UDDF file
The universal dive log format most apps export. What it carries and how to bring it in.
SAC rate and RMV calculator
Work out how much gas you breathe a minute, and what the numbers mean.
Diveology for iPhone is on its way
Your online logbook and this website come with the app. Until it is in the App Store, by invitation.