TUDU-YKS is a free mobile application designed specifically for students preparing for the YKS exam in Turkey. This educational tool offers a personalized learning experience by providing questions tailored to the user's skill level. Users can practice with a variety of question difficulties—easy, medium, and hard—while also tracking their performance to achieve their study goals more efficiently.

The app includes features such as new generation questions in the ÖSYM format, previously asked YKS questions, video and PDF solutions for exercises, and a daily goal tracking system. Additionally, users can save their mistakes and favorites, and utilize a countdown timer to maintain motivation as the exam approaches. Overall, TUDU-YKS enhances the exam preparation process by making it more organized and effective, all at no cost.