Help each bride write down her purchases instead of using paper and pen. The most important features within the application: Registration of new purchases. Recording purchase prices. - Seller registration for each product. Recording the purchase history of each product. - Modify products at any time. - Update product prices at any time. - Follow up the statistics of all products. - Save a backup copy of the data to Google Drive. - Create a "list" as a pdf containing all the products and ready to