Mystore is a free business and productivity application designed for iPhone users engaged in online selling. It addresses common challenges faced by online merchants, such as stock management, pricing, and sales tracking. The app allows users to add or edit product information, including details like size, color, and images, facilitating easy inventory updates. Additionally, it supports managing purchase and sales transactions with features to specify shipping dates and payment statuses, ensuring clarity in financial dealings.

Beyond basic inventory functions, Mystore offers advanced features such as historical transaction searches, product reservation capabilities, and shipment tracking for upcoming deliveries. Users can print customer details for shipping purposes and manage various shipping methods. The app also calculates overall income and expenses, providing daily and monthly sales summaries alongside inventory insights, including cost and profit calculations. This comprehensive tool aims to enhance efficiency for online entrepreneurs.