ASTARI店舗アプリ is a payment app developed by TIS Inc. for member companies of ASTARI. This app allows users to make QR code payments using the ASTARI app for members. The app also provides features such as transaction history inquiry, reports, and language settings in Japanese and English.

The main function of the app is the payment feature, which enables users to make secure and quick transactions using QR codes. The transaction history inquiry feature allows users to view past transaction information, and the report feature provides a simple summary of transaction data by device. The app is available in both Japanese and English, making it accessible to a wider range of users.