Question: Looking for a study aid that covers a wide range of subjects, including History and English, and offers expert-created study guides.

If you're looking for a study aid that spans subjects like History and English, with study guides created by experts, Socratic is a good choice. The app uses visual explanations and related learning materials to help students understand subjects like math, science, history and English. It's got video-based learning with step-by-step explanations, and covers high school and college subjects, so it's a good all-purpose tool for students.

Another good option is Quizlet, which has been used by more than 300 million students. It offers a range of tools like Magic Notes, Q-Chat and Expert Solutions. The tools turn notes into flashcards and practice quizzes, offer personalized help, and offer verified and expert-authored answers. Quizlet's learning modes, like Spaced Repetition and retrieval practice, are designed to help you learn most efficiently, so it's a good all-purpose study companion.

For interactive study aids, StudyFetch is worth a look. It converts educational materials into flashcards, quizzes and tests, with help from an AI tutor called Spark.e. StudyFetch can handle a variety of file formats, and offers personalized feedback and guidance, so it can be a good way to cut study time and improve grades.

Last, GradesAI offers a personalized approach to studying with tools like predictive exam generators, interactive quizzes, flashcards and essay writing help. Its predictive exam generator lets students focus on the most important material and track their progress, so it can be a good way to improve grades and learn more efficiently.