NHA-Service is an Android application that provides an easy, convenient, and fast way for National Housing Authority customers to access information related to the agency. With this app, users can access data anytime and anywhere. The app offers several features that allow customers to access various information related to National Housing Authority.

Users can view their contract information, outstanding debts, and payment history. They can also download invoices and payment reminders, and automatically send them via email. Changing the delivery address for documents, calculating repayment rates, and downloading general documents are other features of this app. Additionally, users can contact National Housing Authority and get the latest news and announcements.

This app is easy to use and requires only a national ID card number and an email address to register. However, functions 1 to 4 are only available to customers who have signed a contract with the National Housing Authority. It requires an internet connection (4G/3G/EDGE/GPRS or WIFI) to work properly.