선박도감

Explore ships from oceans and rivers around the world. Discover 203 entries covering named vessels and vessel types, with names, eras, regions, features, roles and sizes. • Seven categories and searchable descriptions • Custom quizzes of 5, 10 or 20 questions, plus mistake review • Collect cards, save favorites and track category progress • Compare two ships side by side • Korean, English, Japanese and Spanish interfaces and descriptions • On-device learning records and JSON backup and restore 190 entries use photographs: 187 photographs of real vessels, historical vessels or full-scale reconstructions, and three clearly labeled model photographs. The remaining 13 use simplified vessel-family illustrations. Image sources and licenses are displayed; example photographs are distinguished from images of a specific ship. No account or in-app purchase is required. Banner ads are included. Learning records stay on your device and are not automatically uploaded or synchronized. Save and restore backups using the iOS Files app. Educational material; not guidance for navigation or operating a vessel.