Kiểm soát is a free iPhone application developed by THANG LONG SOFTWARE JOINT STOCK COMPANY. It falls under the category of Utilities & Tools and offers a convenient way to check seat availability and train tickets.

With Kiểm soát, users can easily check the number of available seats on a train and verify the status of their tickets. This can be particularly useful for those who frequently travel by train and want to ensure they have a seat reserved. The app provides accurate and up-to-date information, allowing users to plan their journeys accordingly.

The user-friendly interface of Kiểm soát makes it easy to navigate and quickly obtain the desired information. Whether you need to check seat availability for a specific date or verify the validity of your train tickets, this app offers a simple and efficient solution.

Overall, Kiểm soát is a handy tool for train travelers, providing them with the necessary information to make their journeys more convenient and hassle-free.