Google Maps allows users to download maps for offline use, a valuable feature for travelers seeking to avoid expensive data roaming charges. Outside of European Union roaming zones, data costs can be unexpectedly high, and navigation apps are particularly data-intensive. By downloading maps over Wi-Fi before a trip, users can navigate without incurring these costs. This feature essentially provides a "free insurance" against bill shock while abroad. Google Maps’ offline capability is easy to use and ensures reliable navigation even without a data connection. Travelers can therefore enjoy peace of mind knowing they won’t be surprised by hefty roaming fees. The app’s ability to function offline makes it an essential tool for international journeys.