Only the current version so far — new entries appear as the app ships updates.
お城がいいね 3000以上 日本の城検索・記録が残せる is a travel & local app by Recstu Inc. with 5,000+ downloads (about 8.8K estimated). +40 installs in the last 7 days. Released Aug 8, 2023. Install growth, rank history, SDKs and ad networks.
From the store listing: “More than 3000 castles nationwide are included! No.1 free castle app. Easy search for castle information you want to know! You can record your visit to the castle and the castle stamp book with photos and videos, and leave memories of your trip.”