CV Ariya DVC Computer is a company engaged in the field of computer services and sales. Constraints on CV Ariya DVC Computer is the application which used for managing payments to suppliers on a monthly basis, has some weaknesses, such as page access speed, neatness of appearance, and the ease of current application usage on mobile devices, so that Android-based systems is needed, which can help the effectiveness and efficiency of performance in the company. The purpose of this study is the establishment of a management system and automatic payment schedule reminders using Android that can solve problems from previous web-based applications in terms of page access speed, appearance neatness, and ease of application usage. This study implements the system using Ionic framework, then uses the REST Web API as a communication medium with a MySQL-based database processing system. The results of implemented system is expected to help the productivity of CV Ariya DVC Computer Malang, which can be accessed anytime and anywhere, using Android smartphone, and also push notifications that will greatly help reduce late invoice payments. Keywords: Automatic Reminder System, Android, Ionic, REST