Japan's 100 Great Castles

Record your journey across Japan's 100 Great Castles and aim to conquer them all!

----- Key Features -----

■ Manage the 100 Great Castles & Next 100 Great Castles

■ Visit History
・View conquered castles in chronological order
・Look back on all the footprints of your journey

■ Interactive Map of Japan
・Visually check your progress by prefecture and region
・Tap to view the castle list for each area
・See your progress at a glance

■ Stamp Record Management
・Record the date and time of each visit
・Save notes for your visits
・Automatic completion-rate calculation

■ Progress Visualization
・View your overall completion rate in a graph
・Check progress by region
・Detailed achievement status by prefecture

■ Handy Search & Filter
・Quickly search by castle name
・Filter by visited / not visited
・Filter by region and prefecture

■ Data Backup & Restore
・Safely store your visit records with Google Drive
・Carry your records over seamlessly when you change devices
・Supports migration between iOS ↔ Android

■ Dark Theme Support
・An easy-on-the-eyes dark theme
・Optimized contrast across all screens
・Choose the theme you prefer

■ Latest News from the Japan Castle Foundation
・Pulled from the official RSS feed

----- About This App -----

"Japan's 100 Great Castles" is an unofficial app for managing your visit records to the
100 Great Castles of Japan and the Next 100 Great Castles, as selected by the
Japan Castle Foundation.
We've kept it simple, packing in only the features that castle-conquering challengers actually want.