I know this is mor of a general question about Garmin maps, but I haven't found a specific subforum for this.
For my Aviator Gen 2 I have investigated the paid maps. But for me it is completely unclear which purchasable map is an upgrade to the existing maps.
Is there an overview or comparison somewhere? For example, is the "Winter Activity Map" better or more up-to-date than the Ski Map? Can the purchase maps also be upgraded?
Have any of you already used purchase maps?