Transportation Route Guidance:
Apple MapKit is used for car, walking, cycling, and ferry route guidance.
Google Maps Platform Directions API is used for bus and train route guidance.
Geographical Data:
Based on data provided by Natural Earth.
Weather Information:
Weather data is retrieved using the Open-Meteo.
National Flagsand U.S. State Flags:
Data provided by Flagpedia.net.
Prefectural and Provincial Flags:
Materials sourced from Wikimedia Commons.
Country Codes:
Standard country and region codes based on the ISO 3166 standard.
AI-Powered Travel Advice:
Google Gemini API is used to provide AI-powered travel insights and recommendations based on your itinerary.
AI processing is done externally, and the app does not store or retain personal data.
Users must enable AI-powered recommendations in the settings before using this feature.
Exchange rate:
Data provided by Frankfurter.
