PiTaPa Checker is a free Android application developed by Volna Corporation under the category of Travel and Navigation, specifically Maps and GPS. It is a useful app that displays the "use price-item display" information of PiTaPa club, making it easier for users to check and plan their transportation and shopping needs.

To use the app, users need to be registered and have an ID and password from the PiTaPa club website. The app displays the details of the transportation and shopping fares, including the fare price, the time of use, and the related items. The app's interface is simple and easy to navigate, making it convenient for users to search and find the information they need.

Overall, PiTaPa Checker is a useful app for PiTaPa club members who want to plan their transportation and shopping more efficiently. It provides accurate and up-to-date information that can help users save time and money. However, non-members cannot use the app, which limits its accessibility to a specific group of users.