
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.
Knowt registra 4.183.953 visitas mensais com crescimento de +5,4% mês a mês e preços Grátis. Pixno (Photes.io) registra 55.774 visitas mensais com crescimento de +5% e preços Freemium, Pago.
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.
Pixno (formerly Photes.io) is an AI note-taking app that converts photos, screenshots, PDFs, slide captures, audio recordings, and videos into clean, structured text notes. It uses GPT-4 Vision/GPT-4o to understand context rather than plain OCR, then exports notes to Notion, Obsidian, Google Docs, or Word, with cross-device sync and an AI dictation companion for macOS and Windows.
| Dimensão / Métrica | ||
|---|---|---|
| Domínio oficial | knowt.com | photes.io |
| Modelo de preços | Grátis | Freemium, Pago |
| Visitas mensais | 4,18 mi (4.183.953) | 55,77 mil (55.774) |
| Variação de tráfego mensal | +214,76 mil (+5,4%) |
| +2,68 mil (+5%) |
| Mercado principal e participação | 🇺🇸 Estados Unidos (69,6%) | 🇺🇸 Estados Unidos (16,2%) |
|---|
| Visitas diretas / mês | 2,74 mi | 22,36 mil |
|---|
| Avaliação dos usuários | 4,3 | 4,2 |
|---|
| Plataformas suportadas | Site | Site |
|---|
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.
Upload up to 30 files and Kai instantly produces notes, flashcards, summaries, and practice resources from them.
Convert Quizlet, Kahoot, Wayground, and YouTube content, or record live lectures to generate notes and study sets.
Upload class files to get a study plan and exam prediction that highlights what your professor emphasizes most.
Kai quizzes you by voice and can turn any note or flashcard into a podcast for study on the go.
Pixno (formerly Photes.io) is an AI note-taking app that converts photos, screenshots, PDFs, slide captures, audio recordings, and videos into clean, structured text notes. It uses GPT-4 Vision/GPT-4o to understand context rather than plain OCR, then exports notes to Notion, Obsidian, Google Docs, or Word, with cross-device sync and an AI dictation companion for macOS and Windows.
Snap a whiteboard, handout, or slide deck and get an organized text note back in seconds, with charts and diagrams interpreted rather than just transcribed.
GPT-4 Vision/GPT-4o models read the meaning of a page — tables, Venn diagrams, statistics, mixed columns — and rewrite it as structured study notes.
Upload lecture recordings or videos and Pixno produces organized notes plus a transcript, with audio minutes scaling from 1,200 to 7,200 per month depending on plan.
Send notes to Notion, Obsidian, Google Docs, Microsoft Word, Evernote, and other tools with a couple of taps, backed by multi-device real-time sync.

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.
Aplicativo de estudos gamificado com IA que converte anotações em flashcards e questionários, mas com uma interface mais lúdica.

NoteGPT is an AI agent that handles research, summarizing, transcription, document writing, slides, spreadsheets, and media generation for work and study. It routes tasks across several leading LLMs and delivers editable output files.
EspecializadoComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
Companheiro de IA que grava, transcreve e resume cada reunião

Tomador de notas com IA que transcreve, resume e visualiza reuniões


Plataforma interativa de aprendizado por IA que transforma materiais de cursos em flashcards e questionários, mas com mais explicações em vídeo.
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.

Assistente de estudos personalizado com IA que cria flashcards e mapas mentais a partir de gravações de aulas, mas com uma comunidade de usuários menor.

Assistente de aprendizado por IA que converte aulas e documentos em guias de estudo e flashcards, mas menos amigável no plano gratuito.
ThetaWave AI is an AI note taker for students that captures live lectures and converts PDFs, slides, videos, YouTube links, and articles into structured notes, flashcards, quizzes, and mind maps — all in one study workspace.
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.
Aplicativo de estudos gamificado com IA que converte anotações em flashcards e questionários, mas com uma interface mais lúdica.
NoteGPT is an AI agent that handles research, summarizing, transcription, document writing, slides, spreadsheets, and media generation for work and study. It routes tasks across several leading LLMs and delivers editable output files.
EspecializadoComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
Companheiro de IA que grava, transcreve e resume cada reunião
Plataforma interativa de aprendizado por IA que transforma materiais de cursos em flashcards e questionários, mas com mais explicações em vídeo.
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.
Assistente de estudos personalizado com IA que cria flashcards e mapas mentais a partir de gravações de aulas, mas com uma comunidade de usuários menor.
Assistente de aprendizado por IA que converte aulas e documentos em guias de estudo e flashcards, mas menos amigável no plano gratuito.
ThetaWave AI is an AI note taker for students that captures live lectures and converts PDFs, slides, videos, YouTube links, and articles into structured notes, flashcards, quizzes, and mind maps — all in one study workspace.