얼마장부 - 똑똑한 소상공인 사업장부, also known as "How much ledger," is a business management service designed specifically for small mini-businesses, small business owners, and self-employed individuals. This Android application offers a convenient way for operators without a separate management program to manage their business finances.

One of the main features of 얼마장부 is its ability to automatically collect information from Home Tax, credit card companies, and all banks, allowing users to perform sales/purchase management and integrated account management. The app also provides functions for accounts receivable management and employee salary management.

With the easy transfer feature through open banking, users can conveniently make payment transfers and salary transfers. Additionally, the app offers the issuance of electronic documents such as tax invoices, purchase orders, and estimates, as well as the ability to estimate tax amounts like VAT and withholding tax.

Overall, 얼마장부 - 똑똑한 소상공인 사업장부 is a comprehensive business management tool that provides small mini-businesses with the necessary features to effectively manage their finances and streamline their operations.