This app converts numeric amounts to words in the Indian currency format for sale, purchase, and invoices in Odoo. It displays the amount in words and allows the user to choose whether to show or hide this field. As an example, an amount of 10132125.20 would be written as "Rs. One Crore One Lac Thirty Two Thousand One Hundred Twenty Five and Twenty paisa Only". The app can be accessed from the provided link and contact information is given for the developers.