B43ビーヨンサン - 家計簿プリカ is a free Android application developed by SmartBank Inc. It is a new expenditure management service that combines a "household account book app" and a "Visa prepaid card." The application allows users to charge their monthly budget to the card and make daily payments, which are automatically recorded and visualized to facilitate easy expense management. B43ビーヨンサン - 家計簿プリカ offers three types of B43 cards, each tailored to different purposes. The app provides several features, including real-time payment notifications, monthly expenditure reports, budget setting, pocket function for managing money according to purpose, and ATM cash withdrawals. B43ビーヨンサン - 家計簿プリカ is an excellent choice for those who find it challenging to use traditional paper-based or software-based household account books, want to manage their monthly expenses within budget, and want to use a card with no transaction fees.