Collect beautiful digital castle seals by visiting historical Japanese castles. Earn rare seals through repeated visits and track your journey with a visually appealing, traditional Japanese design. Features include GPS check-ins, a timeline of your visits, and map integration.
1.0.4
October 2, 2026
・細かな改善を行いました
広告なし・銀印金印解除・登城記録無制限
レビューをお寄せいただき、ありがとうございます。 岩村城・清洲城まで足を運んでいただいたのに御城印をお渡しできず、大変申し訳ございませんでした。 ご指摘のとおり、アプリに登録していた両城の位置が実際の場所から大きくずれていました（岩村城で約6km、清洲城で約2km）。今回のご報告をきっかけに全城の位置情報を見直し、あわせてチェックインできる範囲を城から200m以内に広げました。 この修正を含むバージョン1.0.2を配信しております。アップデートのうえ、またお近くに行かれた際にお試しいただけますと幸いです。 貴重なご報告をいただき、ありがとうございました。
To collect a castle seal, you need to be within 200 meters of the castle and stay for 3 minutes. The app uses GPS to automatically check you in and award you a digital seal.
Castle seals come in three rarity levels: Normal, Silver, and Gold. The more you visit a castle, the rarer and more brilliant your seal becomes.
Yes, the app contains advertisements. Users can remove all ads by subscribing to the premium plan.
The premium plan offers complete ad removal, unlocks Silver and Gold rarity seals, and allows for unlimited saving of your castle visit records.
城印帳 offers a monthly plan for ¥380, an annual plan for ¥2,800 (approximately ¥233 per month), and a one-time purchase lifetime plan for ¥4,800.
Currently, 城印帳 is supported on iPhones. The app was last updated on October 2, 2026, with version 1.0.4.
Yes, 城印帳 provides a data export function allowing you to save your visit history in CSV, JSON, or image formats.
The app was last updated on October 2, 2026, indicating regular maintenance and updates. The latest version is 1.0.4.
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