nIS is a free application developed with the assistance of the Croatian Institute for Protection of the Marine Environment and the Coastal Region, and it is intended for use on mobile phones. It is designed to serve as a source of information for the public, and it can be used by individuals to learn more about the nautical environment in which they are operating. The application is intended to serve as an educational tool and a navigation aid for the users. It contains the most up-to-date nautical information and marine-related data, which is provided in a simple and intuitive way. It contains the most important data for yachts and boats, fishermen, divers, swimmers, and other people who spend time on the coast and at sea.

The application consists of a simple and intuitive interface, which makes it very easy to use and provides users with all the necessary information in a simple and easy way.