Professional marine navigation used to require an expensive GPS plotter. Now, same technology used in merchant shipping is available for your Android device. Use it to navigate, to plan tomorrow’s boat trip or reminisce about yesterday’s. (PS. Even works in your sofa at home.) Seapilot is free to install, but requires that license and charts are purchased on seapilot.com. * New Hydrographica charts for Sweden are here! Get detailed, high-resolution charts for Swedish waters. Safely explore the scenic environments of the Swedish archipelagos.