Griiled is an app that helps students and people in general to set quizzes for themselves in order to test their knowledge and improve their learning. With Griiled, users can create custom quizzes on any topic that they want to test their understanding of, including school subjects, hobbies, and general knowledge. They can choose from a range of question types, including multiple choice, true/false, and short answer, and can also set the difficulty level of the quiz to suit their needs. Users can also invite friends to take the quiz with them and compete for the highest score, making the learning experience more interactive and fun. Griiled is a useful tool for anyone looking to improve their knowledge and test their skills in a more engaging way. Whether you're a student trying to study for an exam, or simply someone looking to brush up on your knowledge of a particular subject, Griiled has something for everyone.