This is an app for showing works of creators. Creators can use this app to create their work in editor page and upload to the server. Users can leave the comment on the message board and use In-App Purchase to buy the works of creators. This app also uses push notification for notifying the information from platform. Users can also use the search function to the favorite works or creators and can also use scanner function to find the works as well. Programming Language: Objective-C Design Pattern: MVC Layout: Storyboard AppStore Link https://apps.apple.com/tw/app/pinpinbox/id1057840696 Screenshot of the App https://photos.google.com/share/AF1QipPS2x5B9eRoIom6lVV_WsLlVnTL5_AF-QQnB8PyZmKQqhDbSNZUPEH7Uxfe1v6dsg?key=N3RvVnUySk5TbUpBWE80aVJkN21GMmpNa3N2eFpn