# Knowt vs PDFToQuiz Knowt records 4,183,953 monthly visits with +5.4% month-over-month growth and Free pricing. PDFToQuiz records 31,226 monthly visits with -21.4% growth and Freemium pricing. | Metric | [Knowt](https://openaitools.app/tool/knowt-com) | [PDFToQuiz](https://openaitools.app/tool/pdftoquiz) | | :--- | :--- | :--- | | Website URL | https://knowt.com/ | https://www.pdftoquiz.com | | Categories | AI Flashcard Maker, AI Notes Generator, AI Summarizer, AI Note Taker | AI Quiz Generator, AI Question Generator, AI PDF, AI Quizzes | | Pricing Model | Free | Freemium | | Monthly Visits | 4,183,953 | 31,226 | | MoM Growth Rate | +5.4% | -21.4% | | Primary Market | United States | United States | | Direct Visits | 2,741,505 | 9,924 | | Review Score | 4.3 | 4.1 | | Saved Count | 14 | 0 | | Supported Platforms | Website | Website | ## Knowt Knowt is a study platform built around flashcards and AI study tools, and it markets itself as the leading free Quizlet alternative. Its pitch is consolidation: rather than juggling several apps, students upload their class materials once and get flashcards, notes, summaries, and practice tests generated in one place. Importing existing Quizlet sets takes a couple of clicks, including images and formatting. The AI layer is powered by Kai, an assistant that works across PDFs, slides, images, videos, and live lecture recordings. Uploading files produces notes, flashcards, and quizzes automatically, and Kai can also answer questions about your materials and explain why a practice answer was wrong. An Exam Predictor and Planner builds a study schedule from uploaded course files, while Voice Tutoring & Podcasts let students be quizzed aloud or turn notes into audio for studying on the go. Knowt is free to use for core studying, with unlimited learn mode and free practice tests. It is widely adopted in education, with millions of students and teachers using it and a strong presence in AP exam preparation, alongside SAT and ACT resources and a Chrome extension for on-screen study. **Pricing & Plans:** Knowt's core features are free: unlimited learn mode, free practice tests, flashcard creation, imports, and AI study tools with reasonable usage limits. Optional paid upgrades (Plus/Unlimited-style tiers) unlock higher AI generation limits and premium features. No credit card is required to start studying. - **AI PDF Summarizer and Flashcards:** Upload up to 30 files and Kai instantly produces notes, flashcards, summaries, and practice resources from them. - **Import and Lecture Recording:** Convert Quizlet, Kahoot, Wayground, and YouTube content, or record live lectures to generate notes and study sets. - **Exam Predictor and Planner:** Upload class files to get a study plan and exam prediction that highlights what your professor emphasizes most. - **Voice Tutoring and Podcasts:** Kai quizzes you by voice and can turn any note or flashcard into a podcast for study on the go. - **Study Modes and Exam Prep:** Free learn mode, matching games, spaced repetition, and practice test rooms cover AP, ACT, and SAT prep. **Strengths:** Free core with unlimited learn mode and practice tests; One-click Quizlet import preserves formatting and images; AI turns PDFs, slides, and lectures into study materials; Strong AP, SAT, and ACT prep resources plus a Chrome extension **Limitations:** Some AI generation limits encourage upgrading to paid plans; Advanced study plans rely on accurate file uploads; Best experience requires creating an account to save materials [Profile (Markdown)](https://openaitools.app/tool/knowt-com.md) ## PDFToQuiz PDFToQuiz is built around a simple idea: reading is passive, but answering questions is not. You give it a document — lecture notes, a textbook chapter, a research paper or a worksheet — and the platform identifies the key concepts, then writes a quiz from them. The output can be multiple choice, true/false, fill-in-the-blank or long answer, so you can mirror the format of the exam you are actually preparing for. Generation typically finishes in well under a minute, and scanned or handwritten pages are handled with OCR. Once the quiz exists you can take it immediately, with keyboard-first answering (press A–D and the next question slides in), or switch into review mode and flip through the questions like flashcards. Every question you miss comes with an AI explanation of the underlying concept, which turns a score into a learning moment. Sessions are tracked over time so you can see which topics you have mastered and which still need work, and the same document can be reused to build a short practice quiz, a mock exam or a full test. The platform deliberately supports more than solo study. Teachers can convert handouts into auto-graded formative assessments without an LMS, and any generated quiz can be shared by link, so recipients can take it without creating an account. Language coverage extends to 40+ languages, which makes it useful for ESL learners, international students and multilingual classrooms. PDFToQuiz states that its question generation is powered by the latest OpenAI models, and Pro users can additionally export quizzes to PDF, CSV or XLSX and chat with their uploaded document. **Pricing & Plans:** Freemium. The free tier includes one quiz with no credit card required, documents up to 1 GB and 5 pages, and 10 AI chat messages. Pro is $8.99 per month and removes the quiz limit, raising uploads to 5 GB and 100 pages and unlocking unlimited AI chat, result feedback, export to PDF/CSV/XLSX and progress tracking. - **Broad input support:** Build a quiz from a PDF, DOCX, PPTX, a web page URL or plain pasted text, with OCR for scanned and handwritten pages. - **Four question formats:** Generate multiple choice, true/false, fill-in-the-blank or long-answer questions to match the format of a real exam. - **AI explanations for wrong answers:** Each missed question comes with a clear explanation of the concept behind it, so you fix the misunderstanding immediately. - **Review and progress modes:** Flip questions as flashcards with no scoring, or track scores across sessions to see which topics are mastered. - **Shareable and exportable quizzes:** Share any quiz by link so others can take it without an account; Pro users can export to PDF, CSV or XLSX. **Strengths:** Very low friction: no account, no card and no setup required for the first quiz; Questions are drawn from your own document rather than generic topic knowledge; Four question types plus flashcard review covers both practice and revision; 40+ language support suits multilingual classrooms and ESL learners **Limitations:** The free plan allows only a single quiz and caps documents at 5 pages; Advanced result analytics, exports and unlimited chat sit behind the Pro plan [Profile (Markdown)](https://openaitools.app/tool/pdftoquiz.md) ## Frequently Asked Questions ### How do Knowt and PDFToQuiz compare in monthly traffic? Knowt has 4,183,953 monthly visits, while PDFToQuiz has 31,226. Traffic estimates describe audience size, not product quality. ### How do their growth rates compare? Knowt has a month-over-month growth rate of +5.4%; PDFToQuiz has -21.4%. ### How does pricing compare? Knowt: Free. Knowt's core features are free: unlimited learn mode, free practice tests, flashcard creation, imports, and AI study tools with reasonable usage limits. Optional paid upgrades (Plus/Unlimited-style tiers) unlock higher AI generation limits and premium features. No credit card is required to start studying. PDFToQuiz: Freemium. Freemium. The free tier includes one quiz with no credit card required, documents up to 1 GB and 5 pages, and 10 AI chat messages. Pro is $8.99 per month and removes the quiz limit, raising uploads to 5 GB and 100 pages and unlocking unlimited AI chat, result feedback, export to PDF/CSV/XLSX and progress tracking. ## Alternatives | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [Studocu](https://openaitools.app/tool/studocu-global) | 39,297,122 | +1.1% | Freemium | Share and access study materials worldwide — with AI study tools built in | [.md](https://openaitools.app/tool/studocu-global.md) | | 2 | [Gizmo](https://openaitools.app/tool/gizmo-ai) | 9,273,984 | +18.2% | Freemium | AI flashcards that turn note dumps and PDFs into addictive quiz sessions | [.md](https://openaitools.app/tool/gizmo-ai.md) | | 3 | [Solvely AI](https://openaitools.app/tool/solvely-ai) | 4,526,289 | +134% | Freemium | Comprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards. | [.md](https://openaitools.app/tool/solvely-ai.md) | | 4 | [StudyFetch](https://openaitools.app/tool/study-fetch) | 1,750,520 | +1.7% | Freemium | Interactive AI learning platform turning course materials into flashcards and quizzes, but with more video explanations. | [.md](https://openaitools.app/tool/study-fetch.md) | | 5 | [Studley AI](https://openaitools.app/tool/studley-ai) | 1,031,545 | -19.5% | Freemium | Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence. | [.md](https://openaitools.app/tool/studley-ai.md) | | 6 | [Studydrive](https://openaitools.app/tool/studydrive) | 864,081 | -29.1% | Freemium | University learning platform combining shared notes with AI flashcard generation, but heavier community focus. | [.md](https://openaitools.app/tool/studydrive.md) | | 7 | [Flashka](https://openaitools.app/tool/flashka) | 805,913 | +2% | Freemium | Personalized AI study assistant creating flashcards and mind maps from lecture recordings, but smaller user community. | [.md](https://openaitools.app/tool/flashka.md) | | 8 | [Mindgrasp](https://openaitools.app/tool/mindgrasp) | 672,288 | -0.5% | Freemium, Free Trial | Turn any lecture, PDF, or video into notes, flashcards, and quizzes in minutes | [.md](https://openaitools.app/tool/mindgrasp.md) | | 9 | [Revisely](https://openaitools.app/tool/revisely-com) | 512,137 | -2.3% | Freemium | AI study platform transforming notes and videos into quizzes and summaries, but with fewer collaborative features. | [.md](https://openaitools.app/tool/revisely-com.md) | | 10 | [Thea](https://openaitools.app/tool/thea) | 273,076 | -27% | Freemium | AI study platform converting course materials into practice questions and flashcards, but with a simpler feature set. | [.md](https://openaitools.app/tool/thea.md) | --- Source: https://openaitools.app/compare/knowt-com-vs-pdftoquiz More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)