StudyGlen vs StudyPDF

StudyGlen turns study materials into AI quizzes, flashcards, educational comics, and live quiz competitions. It accepts PDFs, text, images, handwritten notes, YouTube links, and Anki decks; quiz creation can use image OCR and YouTube captions. Flashcards use FSRS spaced repetition, offer basic and cloze cards, and can be studied in smart, sequential, or shuffle modes. The free tier includes one quiz or flashcard daily, one lifetime comic, and two question regenerations per day. Quiz generation can also be tried without an account, with five free questions and no card required. Paid packs are one-time purchases starting at $4.99; the Mini Pack has 10 study credits, and each credit generates one complete quiz or deck. Quizzes can be exported to PDF, Word, CSV, Anki, or QTI. StudyGlen supports 41 content languages and has Android, iOS, and web access. Its mobile apps allow offline review and sync ratings when connectivity returns. Uploaded materials are removed from active systems after processing, though backups may persist for up to 30 days.

StudyPDF is a study assistant that works with course materials supplied by students. Its assistant, Bo, answers questions with citations to the uploaded sources and can turn those materials into summaries, flashcards, quizzes, practice exams, study guides, cheat sheets and mind maps. Supported inputs include PDFs, scanned or handwritten notes, photos, YouTube videos and websites. For exam preparation, Bo can create a daily study plan that prioritizes weaker topics. It tracks mastery by concept and uses that information to suggest what to study next. Study materials can be exported to PDF, Word or Anki. Students can sign in with Google or Apple or import selected files from Google Drive. Teachers can share course materials through a browser link that students can open without an account; free accounts can save progress. The service is available on the web, iOS and Android, and courses are available offline in the app. The Free plan is free, billed Free forever, with about 4 study sets a week and files up to 300 pages.