Manledger is a mobile application that let Shopee sellers or others sellers to manage all their profit margin easily. Others, will have a good financial planning.Benefits :-Automated inventory record-Automatic profit margin computation based on program offered by the e-Commerce companies.-Centralized and tallied data recorded by users-Transaction can be recorded in real-time (anytime)-Is a perfect business marketing tool for e-Commerce retailers.-This tool has the potential to improve the operations of online shops.-Will reduce the time retailers spend on calculating their profits.