Buddystock is a social networking app designed for iPhone users to share financial information, specifically focused on stocks and cryptocurrencies. The app allows users to connect with friends (referred to as 'buddies') and exchange trading histories in real time, providing insights into each other's trading interests. This feature fosters a collaborative environment for users looking to enhance their investment strategies through shared experiences.

In addition to peer-to-peer sharing, Buddystock includes a unique function for users to follow YouTubers who provide financial trading insights. By connecting with these influencers, users can gain access to detailed video content regarding trading decisions. The app also prioritizes user privacy by not displaying total trading volumes, while offering features for buddy searches via contact information and the ability to block unwanted connections.