The クラブオンミレニアム アプリ is a business and productivity app developed by セブンCSカードサービス. This Android app offers a range of convenient features, including the ability to check credit card usage details and make payments using QR codes at Seibu and Sogo stores.

From the moment you join, the app allows you to earn 5% Club Millennium points on the same day. With the "App Payment" feature, you can easily make credit card payments and earn points at Seibu and Sogo stores just by presenting the app screen during checkout.

Managing your points and purchase history is made simple with this app. You can easily check your credit card usage details, accumulated Club Millennium points, and eternal points. Additionally, the app offers the "Anniversary Points" feature, allowing you to register and celebrate five special days each year, during which you can earn extra points.

Please note that certain features may not be available to Club Millennium members without credit card functionality. Overall, this app provides a convenient way to access Seibu and Sogo store information, credit card campaigns, and other beneficial information.