Mobile was one of the current popular technology development. It could be seen that many people used mobile gadget marked by the rise of smartphone widely used by people around the world. The aim of this research was to design and develop mobile-based sales information system on batik store to speed up the employees routine in administrator, cashier, receptionist, and warehouse person to exchange information about batik customer data. This research was system engineering research to develop mobile-based sales information system used in Batik store could have standard sales operational cycle that could help employees and customers in doing transaction.