If you're looking for a flashcard app that works with many languages, including obscure ones, Kaards is worth a look. Kaards supports 70 languages and uses spaced repetition to guide you through your studies. You can create flashcard decks with AI generation or import them from Anki, and it's got a calendar to track your daily contributions, a leaderboard and a statistics dashboard to keep you engaged.
Another option is PrettyPolly, which is geared for spoken language practice. It supports 36 languages and lets you practice conversations with customizable AI characters, get feedback, and even create spaced repetition flashcards that you can import into Anki. That makes PrettyPolly a good option for improving your speaking skills and supporting many languages.
If you want to convert educational materials into interactive study aids, StudyFetch is an interesting option. It can handle lots of file formats and use AI to create flashcards, quizzes and other interactive materials. That can save you a lot of time studying, and it can handle lots of languages.
Last, Knowt is another useful service that converts notes into flashcards and practice quizzes. It covers a lot of subjects, including language, and you can create flashcards from video lectures, PDFs and notes. Knowt's spaced repetition and practice quizzes can help you learn more efficiently, so it's a good option for language learners.