Turn your iPhone or iPad into an outdoor GPS or marine chart plotter. Use detailed Topo maps or NOAA marine charts for navigation. Access maps offline without a network connection. View GPS location without mobile signal.
by Memory-Map, Inc.★ 4.552 ratingsNavigationFreeData updated 2026-09-08
The app displays AIS data from marine transponders or receivers over WiFi. It provides a radar-like view of targets with course and speed, computes closest point of approach, and offers selectable display ranges.
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