DIANA - ダイアナ公式アプリ is a free lifestyle app available on iPhone. Developed by DIANA Company Limited, this app offers a range of features for DIAMO members. With this app, users can access their DIAMO membership card, check their DIANA points balance, and browse the latest items available in DIANA stores and webshops. The app also provides a list of DIANA shops and offers exclusive fashion columns that can only be read within the app.

Additionally, users can stay up to date with the latest news from their favorite shops by following them and receive timely updates. The app also includes a coupon feature that allows users to enjoy discounts and special offers while shopping.

Overall, DIANA - ダイアナ公式アプリ provides DIAMO members with a convenient way to access their membership benefits, stay informed about the latest fashion trends, and enjoy exclusive content and discounts.