かんたん家計簿 with サンリオキャラクターズ is a free iPhone app developed by Money Forward k.k. in the Business & Productivity category, specifically under Finance. This app allows users to set a monthly budget and track their expenses easily. With a simple interface, users can quickly record their expenses with just one tap, making it convenient even when on the go. The app also provides automatic aggregation and display of monthly expenses by category, allowing users to easily analyze their spending habits. Additionally, users can customize the app's design by choosing from a variety of Sanrio characters. These characters also provide encouragement to users to keep up with recording their expenses. Overall, かんたん家計簿 with サンリオキャラクターズ offers a user-friendly and visually appealing way to manage personal finances.