Eisteddfod yr Urdd is a free bilingual guide app for Android devices, developed by Moilin Cyf. This app is designed to help users navigate the Urdd National Eisteddfod, the Welsh-language youth festival that takes place annually. With this app, users can see a daily list of competitions filtered by category, search for competitors by name or school, and interact with a detailed map of the maes. Additionally, users can view a list of daily activities on the maes, create their own timetable, and interact with a virtual art exhibition. The app also features an AR scavenger hunt game that users can play on the maes.

The interface of the app is simple and easy to use, with all the necessary features easily accessible from the main screen. The app is available in both Welsh and English, making it accessible to a wider audience. The interactive map is particularly useful, allowing users to easily find their way around the maes and locate the different competition venues. Overall, Eisteddfod yr Urdd is a well-designed and useful app for anyone attending the Urdd National Eisteddfod.