01SSumItUp@AISummaryBot_botFreemiumSend a YouTube lecture, a podcast, an audio file up to three hours or a PDF and get a structured summary back, then ask follow-up questions about it. Three free summaries a day; paid plans from $7 a month or 450 Stars.Textbooks & notesFreemiumYouTubeAccepts files66 / 100ScoreOpen
02MMicrostudy AI Bot - Flashcards generation and delivery@microstudyai_botFreemiumFlashcards that come to you: microstudy builds spaced-repetition cards from a topic or from your own notes, sends them to a private Telegram group on your schedule and grades the answers you type or say.Textbooks & notesFreemiumAccepts filesAccepts voice66 / 100ScoreOpen
03PPupilBot@pupilbot_botFreemiumThe Telegram half of PupilBot: you turn photos of your notes or pages of a PDF into a study in the web or iPhone app, and the bot quizzes you in chat whenever a question is due for spaced-repetition review.Textbooks & notesFreemiumFor studentsOfficial65 / 100ScoreOpen