Yes, 暗記の神様クエスト‐ゲーム感覚で楽しく学習できる勉強アプリ is completely free and it doesn't have any in-app purchases or subscriptions.
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暗記の神様クエスト‐ゲーム感覚で楽しく学習できる勉強アプリ is free.
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