Plancto is described as 'personal scuba logbook that allows to you quickly see all your dive in the map, collects stats about your dive history, allows you to collect to your buddies and tracks your air consumption overtime. All history can be downloaded and printed or exported' and is an app in the Sport & Health category. There are five alternatives to Plancto for a variety of platforms, including Mac, Windows, iPhone, iPad and Linux. The best alternative is Subsurface, which is both free and Open Source. Other great apps like Plancto are Dive.site (Free), DiverLog (Freemium), Diving Log (Paid) and Dive Log (Freemium).
Dive.site is an interactive map for divers which you can use to search and add dive sites, keep track of your own dives and share impressions about your diving experience with other members. To begin all you need is an account, which is free.
Diving Log is the perfect scuba logbook solution to manage your dives. You can import your dive log data from almost every dive computer, either by importing from the manufacturer software or by direct download from the dive co
Dive Log (and Dive Log Manager / Dive Log DT for Mac desktop) provides full featured dive logging, display of logged information and statistics, integration with iOS features, and logbook exchange with your desktop computer.