The タカギ app is a free lifestyle application designed for iPhone users, offering a variety of features to enhance the experience of managing water-related products. It includes push notifications for scheduled deliveries, allowing users to stay informed about their orders. The app also features a special roulette game that rewards users with points for engaging with the service and making purchases, which can be exchanged for coupons or products in the online store.

In addition to its core functionalities, the app promotes environmental responsibility by tracking CO2 reductions achieved through the use of water purification systems. Users can view their account details, purchase history, and receive personalized maintenance reminders. The app aims to provide a seamless experience for managing water-related products while contributing to a more sustainable lifestyle.