Dende vs PDFQuiz

Dende is a web study tool that turns learning materials into quizzes, flashcards and a study plan for exam preparation. It accepts PDF, Word, PPT and TXT files, including scans, and supports any language. Quizzes draw from document content and can use multiple choice, fill-in-the-blank or true-or-false questions. Dende gives feedback after each answer and tracks progress to help learners identify topics needing attention. It also makes flashcards for active recall. Learners can rate their confidence in a card, and cards they are still learning are shown sooner. Generated questions and answers are editable; cards can include images or highlighted text and be grouped into custom decks. Flashcards can be reviewed from any device, including mobile. Dende says results from handwritten notes depend on their quality and recommends digital files, including scans. The free plan allows one file upload and limited questions. Premium costs €6.90 per month and includes unlimited uploads and all questions.

PDFQuiz uses AI to turn PDFs and other uploaded documents into interactive quizzes. Its listed 16 upload formats include office documents, images, and text formats; six question types range from single choice and matching to open ended. OCR can read scanned pages and photos. Users can take quizzes online, study questions as flashcards, download quizzes and results as PDFs, and export quizzes to Anki depending on plan. Paid plans can generate quizzes in a chosen output language from a list of more than 180. The free options allow a 10-question quiz without an account, or three quizzes of up to 10 questions each for a free account; account quizzes can use documents of up to 20 pages. Paid tiers add differing character limits and features such as invitation links, timers, editing, API access, and Zapier integration. The Elite plan lists up to 1,500 quiz invitations per month, API access, and Zapier integration. Uploaded files, quizzes, and results are retained while an account exists, though users can request deletion. The listed starting price is $5/mo (annual).