How to Build an App Like TikTok Shop (+ Turn Livestreams into Revenue)

Livestream shopping is transforming online consumer behavior by merging live video with immediate buying capabilities, popularized by platforms like TikTok where creators and brands present products during live streams, allowing viewers to purchase without leaving the event. This tutorial guides users through building a TikTok-style livestream shopping app using Next.js, highlighting how livestreams increase user engagement through extended viewing times, interactive participation, and community building, which are especially appealing to Gen Z. The tutorial covers creating a livestream app with features such as real-time chat, instant in-stream purchasing, and creator-led experiences using tools like Stream's Video and Chat SDKs and Firebase for authentication and data management. It emphasizes the importance of real-time interaction, authenticity, and frictionless purchasing for maintaining viewer engagement and trust. The step-by-step guide includes setting up the necessary backend logic, configuring Firebase and Stream SDKs, and building essential app components to support livestreaming and e-commerce functionalities, ultimately empowering users to create scalable and interactive live shopping experiences.