Question: I'm looking for a study app that uses spaced repetition to help me retain information better.

If you're looking for a study app that employs spaced repetition to optimize how you remember information, Quizlet is a top option. This general-purpose learning platform offers a range of tools, including Magic Notes to convert notes into flashcards, AI-powered personalized help and Spaced Repetition to schedule study sessions to help you commit information to long-term memory. Quizlet also employs learning science methods like retrieval practice and guidance fading to make its tools as effective as possible for learning, so it's a good all-purpose study tool.

Another option is Slay School, which lets you create flashcards based on your lectures, videos or handwritten notes. It uses active recall and spaced repetition to keep you engaged and help you commit the information to long-term memory. Slay School is particularly useful for subjects like medicine, law and engineering, where students can organize notes, review material and raise grades. It also can export to Anki and Quizlet, so it's a good option for learners who want to use other tools, too.

Gizmo is another AI-powered learning platform that creates flashcards and uses spaced repetition to help you learn. Gizmo is focused on active recall, letting you quiz yourself daily to help move information from your working memory to long-term memory. The platform is geared for students who want to improve their learning abilities and retain information better.

For a more general-purpose approach, Knowt converts notes into flashcards and practice quizzes for a range of subjects. It offers unlimited free learn mode, practice quizzes and spaced repetition, so you can easily review flashcards at the most optimal intervals. Knowt also can import Quizlet sets and create flashcards from lecture videos and PDFs, so it's a good option for anyone who wants to optimize their study routine.