착한 서초코인 is a lifestyle application designed for iPhone users, promoting carbon-neutral activities in the Seocho district. This free app allows users to earn coins by participating in various eco-friendly initiatives such as recycling, collecting transparent PET bottles, reporting underprivileged neighbors, and engaging in volunteer work or skill donations. Users can easily certify their activities through the app, leading to coin accumulation.

The coins earned can be utilized at designated facilities for purchasing products, paying course fees, attending performances, or using parking services, allowing for a cash and coin mix during transactions. The app utilizes QR codes for both earning and spending coins, enhancing the user experience. Additionally, users have the option to donate their coins to specific operational facilities, contributing further to community support and sustainability.