KOSKİ is a mobile application designed for Android users by Koski Genel Müdürlüğü. It is a free app that allows users to carry out online transactions relating to the KOSKI General Directorate of Konya Metropolitan Municipality. The app is primarily focused on providing a platform for subscribers to check and pay their invoices, as well as track their invoice movements and make appeals for problematic invoices.

Apart from invoice management, the app offers additional features such as the ability to create new subscriptions, cancel subscriptions, and apply for water and channel services. Users can also check the prices and tariffs for different water services and view the list of fresh and historical water fountains in the city. The app also provides information on payment points, malfunctions, and deductions, as well as a section for frequently asked questions and tenders made by the institution.

Overall, KOSKİ is a user-friendly and efficient mobile app that simplifies the process of managing water services for subscribers of KOSKI General Directorate.