井筒屋アプリ is a lifestyle application designed to provide users with convenience and savings as they use it. The app offers exclusive coupons for members, providing special services and benefits. Users can access the latest information on store events and shop details through the app. Additionally, the app consolidates a stamp card feature where users can collect stamps based on their purchase amounts at designated areas, unlocking various discounts and perks.

With a seamless online shopping feature, users can easily access IZUTSUYA's online store through the app. The app also offers a personalized My Page section where users can view their stage information, point balances, purchase history, and even consolidate their cards onto their smartphones for convenient shopping at IZUTSUYA.