BTS SkyTrain is a free travel and navigation application designed for iPhone users, enhancing the commuting experience on Bangkok's SkyTrain system. The app calculates travel costs and offers various travel modes, including route suggestions and alerts for train schedules. Users can easily determine their destination, calculate travel time and expenses, and receive real-time notifications about service disruptions and passenger density.

Key features of the BTS SkyTrain app include an AR Map function that assists users in locating convenient exits at each station. It also provides detailed information about station amenities and real-time updates on train operations, ensuring a smooth travel experience. The app keeps users informed with news and usage tips, making it an essential tool for navigating Bangkok's public transportation system efficiently.