LangX is a free, open‑source language‑exchange platform that lets users connect with partners for real‑time chat and voice practice. The app provides a user‑friendly chat interface, voice messaging for pronunciation, customizable partner filters, and profile insights to track learning habits. Community features such as ratings, badges, and a night mode enhance engagement while privacy controls let users manage their data. Upcoming AI assistance promises personalized feedback, but the current focus remains on peer‑to‑peer practice.