ダイアナ ファミリー公式アプリ is a free lifestyle app available for iPhone users. With this app, users can accumulate points and get coupons as members of the Diana Family official app. By presenting the app's membership card during events and other occasions, users can earn app membership points. These accumulated points can be exchanged for coupons, allowing users to enjoy the services of Diana Family at a discounted rate.

In addition to the coupon exchange feature, the app also provides push notifications for exclusive deals and offers. This ensures that users stay updated with the latest promotions and discounts available.

By being a member of the Diana Family official app, users can take advantage of various benefits and enjoy the convenience of accessing their membership card digitally. With the app's easy-to-use interface and regular delivery of limited-time coupons, users can make the most of their Diana Family experience.