In order to become a professional drone pilot, you may have to get a license. Sporty’s Drone Study Buddy is an iPhone app developed to help you prepare for the Remote Pilot certificate. It comes with a study guide and mock exams to test your knowledge. You can study questions by topic in Learning Mode.
This FAA drone test preparation app also has a flashcard mode to better test your knowledge. You can take randomly generated 60-question tests to figure out how ready you are for the actual test and monitor your progress with a detailed history of previous tests.[where to get it]