cosmowaterアプリ is a lifestyle application developed by cosmolife co.ltd for iPhone users. This app is exclusively designed for members of CosmoWater and provides them with features that make it more convenient and cost-effective to use the service. To access the app, users need to log in using their CosmoWater My Page login ID and password, which can be obtained through the registration process described on the CosmoWater website.

The app offers several features to users, including push notifications for water shipment, the ability to check and change delivery dates, and the option to place additional orders. Users can also easily view and update their registration information, making it a one-stop-shop for all their CosmoWater needs.