Sinthanee Pay is a free Android app developed by SHIFT SOFT CO.LTD. that aims to provide convenience to Sinthana customers who opt for installment payments. With this app, customers can easily check their information, purchase history, and remaining balance. In addition, the app also offers a transfer service for installment payments and sends notifications for successful payments. Customers can also receive news and promotions about Sinthana products as well as locate nearby branches.

The app's user interface is simple and intuitive, making it easy to navigate and use. It is a great tool for Sinthana customers who want to stay on top of their installment payments and receive updates on the latest promotions. With Sinthanee Pay, customers can manage their payments conveniently and efficiently, saving them time and effort.