Save your transaction records of purchases and sales in your phone. No internet required as it's an offline app. Data is saved in your device. You can view the records for any duration. There is a summary view for certain period, default to current financial year. Profit & loss details as a total and for individual products. You can modify the existing category and product names as required by your business. You can add new categories and products. You can add records of buy and sell as individual or bill with multiple products. You can change the display name on home screen as per your requirement.