Question: Is there an app that allows me to create and sync flashcard decks across multiple devices, including smartwatches?

If you're looking for an app to make and sync flashcard decks across multiple devices, including smartwatches, StudyCards App is a good choice. The app uses AI to generate customizable talking flashcards you can swipe through and repeat for better retention. It supports multiple languages with pronunciation, syncs with smartwatches for studying on the go and can import and export CSV files for easy syncing across devices. It's available on iOS and Android, has an intuitive interface and doesn't require you to sign up for an account.

Another good option is KardsAI. The app turns text, PDFs and prompts into flashcards so you don't have to do the work yourself. It also has spaced repetition to help you retain information over the long term and tracks your progress. KardsAI offers freemium access, with a Pro version for unlimited use, and works on iOS and Android devices so you can sync your decks across multiple devices.

If you want a more advanced flashcard system, OmniSets has a lot of features to help you retain information. You can create flashcards from any source material, use an adaptive learning algorithm and take practice quizzes and play games. OmniSets is collaborative, so you can create and manage multiple study sets, and it has features like translations, example sentences and images. It's free and offers a range of study modes, so it's good for students at any level.

Last, Slay School is another AI-powered flashcard creator that can help you learn and retain information by generating flashcards based on your lectures, videos or handwritten notes. It uses active recall and spaced repetition, supports multiple languages, and can export to Anki and Quizlet. Slay School is free to use and is geared toward students in subjects like medicine, law and engineering, helping you organize notes, reduce study time and improve grades.