胜算 (Shengsuan) is a free iPhone app developed by Beijing Butterfly Star Network Technology Co. Ltd, falling under the lifestyle category. It offers a unique approach to organizing information by allowing users to categorize data from various fields and industries based on multiple dimensions. By further subdividing existing categories, users can establish a systematic and organized database within the app.

Users can easily search for specific information and news based on the categorized data, as well as create their own personalized categories to collect relevant information. Additionally, all categorized information can be shared with other users, promoting information exchange and collaboration.