Learn arithmetic by matching answers to problems. Configure quizzes with 12, 20, or 30 questions. Problems are randomized and generated by the device. Track progress through repeated practice. Adjust difficulty based on skill level.
The app presents over 150 country flags from around the world across various continents. Users can test their geography knowledge with a 15-question quiz, earning points for correct answers and tracking progress.
Take daily space quizzes based on NASA’s Astronomy Picture of the Day. Choose correct answers from four options. Learn facts about celestial objects. Access real-time, accurate content directly from NASA’s feed.