The アークスアプリ is a lifestyle application designed for Android users, offering a range of features aimed at enhancing the shopping experience. Users can utilize the app as a digital membership card to accumulate and redeem RARA points without needing a physical card. The app also includes payment functionality, allowing users to make transactions directly through their smartphones, provided they have compatible cards.

In addition to these core features, the app provides access to exclusive coupons, promotional offers, and the ability to register favorite stores for easy access to the latest flyers. Users can also monitor their RARA points and prepaid card history, as well as transfer points to their prepaid card balance. This app serves as a valuable tool for customers of various stores operated by the Ark Group, enhancing convenience and savings during shopping trips.