The "Official App for Senzan Group" is tailored for patrons of Senzan's dining establishments, including Senzan Honten, Katsu Izumi, Yamakatsu, Neture Kalbi, Kaifuki, Sajima, Sajima Suisan, Gyusushi, Gyutan Ryori, Gyu Mikura, and MALIBU. Users can enjoy seamless payments, exclusive coupons, and event updates for free. Some locations may not support all features.

The app facilitates the issuance of the Senzan Card at affiliated stores, enabling functions like electronic money deposits (cash only), earning points for every $2 spent, and using accumulated points and e-money for payments. Additionally, users receive push notifications for promotions, access exclusive coupons, check e-money and point balances, and browse menus.