The 京急百貨店公式アプリ is a free iPhone app developed by KEIKYU DEPARTMENTSTORE CO. LTD. It falls under the Lifestyle category with a specific focus on Shopping. This app allows users to stay informed about the latest updates and special offers from the department store. With just a few taps, users can access the app to check for the latest information and exclusive notifications.

One of the main features of this app is the delivery of exclusive coupons. Users can enjoy the benefits of app-only coupons that provide great savings. To redeem these coupons, simply present the coupon screen at the cashier during checkout.

Additionally, the app offers a stamp collection feature where users can accumulate stamps at the various stores within the KEIKYU department store. By collecting stamps, users can earn exciting prizes and enjoy even more savings while shopping.