What is the difference between HotMaps and Platinum+/Gold/Classic/FishN Chip Charts?
A. Navionics HotMaps are electronic US & Canadian freshwater lake maps for your GPS; Navionics Classic, Gold and Platinum+ Charts are worldwide saltwater marine charts for coastal areas, plus the Great Lakes. HotMaps lake maps are available in HotMaps, HotMaps Premium and HotMaps Platinum editions on both SD (SecureDigital) and CF (CompactFlash) media cards. Navionics Classic, Gold and Platinum+ Charts are based on official government charts and provide detailed coastal and Great Lakes navigation and fishing information. Each provides a unique set of features and benefits designed to suit a wide-variety of boaters and fishing enthusiasts. Classic Charts are available in Large-size regions to support an array of legacy GPS chartplotters; Gold Charts are available in XG- (Americas) & XL9- (Europe-Asia-Oceania-Africa-Polynesia) size regions; and Platinum+ Charts are available in XL- (Americas) and XL3- (Europe-Asia-Oceania-Africa-Polynesia) size regions.