COapp is a utility tool available on the iPhone platform. Developed by Autorita di bacino distrettuale delle Alpi Orientali, this free application, named COapp, serves as the app for the Citizens' Observatory on Floods. It enables users to receive and send local data and information crucial for self-protection from floods and for enhancing flood risk management.

With COapp, users can stay informed about flood-related updates and contribute to the collective effort of flood prevention. This app empowers individuals to play an active role in safeguarding their communities against flood risks, making it a valuable tool for enhancing flood preparedness and response strategies.