# Knowt vs UndercoverDevs Knowt registra 4.183.953 visitas mensais com crescimento de +5,4% mês a mês e preços Grátis. UndercoverDevs registra 0 visitas mensais com crescimento de 0% e preços Freemium. | Métrica | [Knowt](https://openaitools.app/pt/tool/knowt-com) | [UndercoverDevs](https://openaitools.app/pt/tool/undercoverdevs) | | :--- | :--- | :--- | | URL do site | https://knowt.com/ | https://undercoverdevs.com | | Categorias | Criador de flashcards com IA, Gerador de notas com IA, Resumidor com IA, Anotador de notas com IA | Assistente de IA, Professores com IA, Assistente de Deveres com IA | | Modelo de preços | Grátis | Freemium | | Visitas mensais | 4.183.953 | 0 | | Taxa de crescimento mensal | +5,4% | 0% | | Mercado principal | Estados Unidos | Global | | Visitas diretas | 2.741.505 | 0 | | Nota de avaliação | 4,3 | 1,8 | | Contagem de favoritos | 14 | 1 | | Plataformas suportadas | Site | Site | ## Knowt Knowt is a free study platform and the most popular Quizlet alternative, combining flashcards, note-taking, and AI study tools. Students can turn PDFs, lecture recordings, slides, and videos into flashcards, notes, and practice tests automatically. **Preços e planos:** 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. **Pontos fortes:** 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 **Limitações:** 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/pt/tool/knowt-com.md) ## UndercoverDevs UndercoverDevs is an AI study toolkit for students and researchers. It bundles an AI teacher that explains tricky topics, smart note-taking, PDF simplification and translation, quiz and flashcard generators, a mnemonic maker, and a question-paper generator into one dashboard. **Preços e planos:** UndercoverDevs is free to use — the site invites users to get started with no credit card required, and its core study tools are presented as free. - **AI Teacher Chat:** Ask any subject question and get step-by-step explanations with real-life examples and suggested follow-ups. - **Smart Note-Taking:** Write notes beside the AI teacher, then simplify, expand, restyle, translate, or extend them with a type-in AI shortcut. - **Quiz & Flashcard Generator:** Turn AI Teacher conversations into interactive quizzes and flashcards with selectable question types and difficulty levels. - **PDF Simplifier & Translator:** Rewrite dense PDFs into plain, easy-to-read language and translate them into other languages. - **Question Paper Generator:** Create structured exam papers by subject, level, sections, question tiers, and mark distribution in seconds. - **Mnemonic Maker:** Memorize tricky terms and phrases with AI-generated mnemonics that appear on hover. **Pontos fortes:** Wide set of study tools in one dashboard: tutor, notes, quizzes, flashcards, PDF tools, and mnemonics; Free to use with no credit card required; Quiz and flashcard generation works directly from AI Teacher conversations; PDF simplifier and translator help with dense reading material **Limitações:** The site banner states the project is archived and no longer maintained; Feature breadth can feel scattered for users who only need one tool; AI-generated quizzes, notes, and papers still need review for accuracy; Best suited to students and researchers rather than professional teams [Profile (Markdown)](https://openaitools.app/pt/tool/undercoverdevs.md) ## Perguntas frequentes ### Como Knowt e UndercoverDevs se comparam em tráfego mensal? Knowt tem 4.183.953 visitas mensais, enquanto UndercoverDevs tem 0. As estimativas de tráfego descrevem o tamanho da audiência, não a qualidade do produto. ### Como as taxas de crescimento se comparam? Knowt tem taxa de crescimento mês a mês de +5,4%; UndercoverDevs tem 0%. ### Como os preços se comparam? Knowt: Grátis. 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. UndercoverDevs: Freemium. UndercoverDevs is free to use — the site invites users to get started with no credit card required, and its core study tools are presented as free. ## Alternativas | # | Nome da ferramenta | Visitas mensais | Taxa de crescimento mensal | Modelo de preços | Summary | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [Studocu](https://openaitools.app/pt/tool/studocu-global) | 39.297.122 | +1,1% | Freemium | Studocu is a global study platform where students share and access lecture notes, summaries, study guides and past exams, with an AI assistant, quizzes, flashcards and note tools to help them learn faster. | [.md](https://openaitools.app/pt/tool/studocu-global.md) | | 2 | [Gizmo](https://openaitools.app/pt/tool/gizmo-ai) | 9.273.984 | +18,2% | Freemium | Aplicativo de estudos gamificado com IA que converte anotações em flashcards e questionários, mas com uma interface mais lúdica. | [.md](https://openaitools.app/pt/tool/gizmo-ai.md) | | 3 | [Astra AI](https://openaitools.app/pt/tool/astra-ai) | 7.356.157 | +40,3% | Freemium, Pago | Seu tutor pessoal de IA para todas as matérias, dos apontamentos até o dia da prova. | [.md](https://openaitools.app/pt/tool/astra-ai.md) | | 4 | [Course Hero](https://openaitools.app/pt/tool/coursehero-com) | 5.163.395 | -1,4% | Freemium | Biblioteca de estudos, ajuda com deveres por IA e tutores 24/7 em um só lugar | [.md](https://openaitools.app/pt/tool/coursehero-com.md) | | 5 | [Solvely AI](https://openaitools.app/pt/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/pt/tool/solvely-ai.md) | | 6 | [MagicSchool AI](https://openaitools.app/pt/tool/magicschool-ai) | 2.874.288 | +4,5% | Freemium, Teste gratuito, Preço sob consulta | Ferramentas de IA que devolvem tempo aos professores | [.md](https://openaitools.app/pt/tool/magicschool-ai.md) | | 7 | [RevisionDojo](https://openaitools.app/pt/tool/revisiondojo) | 2.210.628 | -3,2% | Freemium | Preparação integrada para IB e MYP com um companheiro de estudo com IA | [.md](https://openaitools.app/pt/tool/revisiondojo.md) | | 8 | [StudyFetch](https://openaitools.app/pt/tool/study-fetch) | 1.750.520 | +1,7% | Freemium | Ferramentas de estudo com IA e um tutor pessoal criados a partir do seu próprio material de curso | [.md](https://openaitools.app/pt/tool/study-fetch.md) | | 9 | [Studley AI](https://openaitools.app/pt/tool/studley-ai) | 1.031.545 | -19,5% | Freemium | Studley AI is a study platform that turns almost any material into interactive notes, flashcards, quizzes, and podcasts, backed by an AI tutor. Upload a file, a video, or a lecture and turn it into active-recall study se | [.md](https://openaitools.app/pt/tool/studley-ai.md) | | 10 | [Studydrive](https://openaitools.app/pt/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/pt/tool/studydrive.md) | --- Fonte: https://openaitools.app/pt/compare/knowt-com-vs-undercoverdevs More Markdown: [Categorias](https://openaitools.app/pt/categories.md) · [Rankings de tráfego](https://openaitools.app/pt/rankings.md) · [llms.txt](https://openaitools.app/pt/llms.txt)