SRT D-Ticket is the official app for booking train tickets offered by the State Railway of Thailand. It is a free app compatible with Android 9.0. With SRT D-Ticket, you can easily search for train routes and tourist trips, book, change, or cancel tickets, and pay online or through counter services. You can also choose the train, coach, and seat you prefer on your own.

Moreover, you can sign up for a membership to accumulate points and receive exclusive privileges for discounts and rewards. The app is designed to provide a seamless and convenient booking experience for train travelers in Thailand.

Overall, SRT D-Ticket is a useful app for those who frequently travel by train in Thailand. It is user-friendly and offers a range of features that make booking train tickets hassle-free.