清云 is a social networking app developed by Beijing hope Technology Co. Ltd, available on the iPhone platform. It falls under the Social & Communication category, specifically focusing on social networking within environmental contexts. The app offers real-time environmental monitoring, allowing users to perceive the current status of their surroundings, including facilities, public toilets, and environmental indices.

Users can actively engage with the app by capturing and sharing images of environmental issues they encounter through the "随手拍" feature. This functionality empowers individuals to contribute to improving living environments by exposing problems and raising awareness. Additionally, 清云 provides a "问题跟踪" feature, enabling users to monitor the progress of reported issues in real-time. This emphasis on both identification and resolution showcases the app's commitment to not just pinpointing problems but also actively seeking solutions.