Store-Keeper is a free Android app developed by Guitar Tabs X that offers fast and reliable barcode reading with inventory management functions. It allows users to store and display product name, price, and count. The inventory is in CSV format, making it easy to open and edit in excel app.

Store-Keeper has five modes of operation. The first mode is "Just Scan," where users can scan barcodes to get information about the product such as name, price, and availability. The second mode is "Edit Inventory," which allows users to add, edit, or remove products from the inventory by scanning their barcodes. The third mode is "Check-In," where users can scan barcodes for arriving products. The fourth mode is "Check-Out," where users can scan barcodes for leaving products. Finally, the fifth mode is "Availability Check," which enables users to check product availability.

Store-Keeper supports various barcode types, including EAN13, EAN8, UPCA, UPCE, Code128, Code39, Interleaved 2 of 5, and more. Overall, Store-Keeper is a reliable app that offers efficient barcode reading and inventory management functions, making it an excellent tool for businesses and individuals who need to manage their inventory.