
Biblioteca massiva de anotações acadêmicas compartilhadas combinada com ferramentas de estudo de IA, mas com menos foco na criação de flashcards.
Knowt registra 4.183.953 visitas mensais com crescimento de +5,4% mês a mês e preços Grátis. Nullstep registra 0 visitas mensais com crescimento de 0% e preços Freemium.
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.

Nullstep is an AI-powered anti-procrastination workspace for solo founders. Describe a goal in plain language and it generates a prioritized execution path that syncs straight to a Kanban board, wrapped in a deliberately minimal interface.
| Dimensão / Métrica | ![]() | |
|---|---|---|
| Domínio oficial | knowt.com | nullstep.app |
| Modelo de preços | Grátis | Freemium |
| Visitas mensais | 4,18 mi (4.183.953) | 0 (0) |
| Variação de tráfego mensal | +214,76 mil (+5,4%) |
| 0 (0%) |
| Mercado principal e participação | 🇺🇸 Estados Unidos (69,6%) | 🌐 Global (—) |
|---|
| Visitas diretas / mês | 2,74 mi | 0 |
|---|
| Avaliação dos usuários | 4,3 | 4,4 |
|---|
| 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.

Nullstep is an AI-powered anti-procrastination workspace for solo founders. Describe a goal in plain language and it generates a prioritized execution path that syncs straight to a Kanban board, wrapped in a deliberately minimal interface.
Type an objective in plain language and the AI returns a prioritized Execution Path with ordered tasks, priority levels and time horizons.
Generated tasks land on your Kanban board automatically, so your plan and your working list never drift apart.
A single dashboard holds your tasks, AI sessions and decisions so you stop tab-switching between half a dozen tools.
Every session is saved automatically, so you can return tomorrow or from your phone and continue exactly where you stopped.

Biblioteca massiva de anotações acadêmicas compartilhadas combinada com ferramentas de estudo de IA, mas com menos foco na criação de flashcards.
Aplicativo de estudos gamificado com IA que converte anotações em flashcards e questionários, mas com uma interface mais lúdica.
EspecializadoComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.

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.
Taskade is an AI workspace that turns a single prompt into working business apps, complete with AI agents, automations, databases, tasks and docs — no code required.
Plataforma de estudos com IA que transforma anotações e vídeos em testes e resumos, mas com menos recursos colaborativos.

Motion is an AI-powered productivity super app that unifies tasks, projects, calendars, meetings, docs, notes and reports, using AI agents to auto-plan your day, build projects, take meeting notes and keep work moving.
Tiimo is a visual planner built for neurodivergent and executive-function needs, available on iOS, iPadOS, watchOS, Android, and the web. It turns your day into a color-coded visual timeline, adds a focus timer that makes time visible, tracks mood to reveal patterns, and uses AI to break your brain dump into a realistic, time-estimated plan. It was built by and for neurodivergent people and won iPhone App of the Year 2025.
Biblioteca massiva de anotações acadêmicas compartilhadas combinada com ferramentas de estudo de IA, mas com menos foco na criação de flashcards.
Aplicativo de estudos gamificado com IA que converte anotações em flashcards e questionários, mas com uma interface mais lúdica.
EspecializadoComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
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.
Plataforma de estudos com IA que transforma anotações e vídeos em testes e resumos, mas com menos recursos colaborativos.
Motion is an AI-powered productivity super app that unifies tasks, projects, calendars, meetings, docs, notes and reports, using AI agents to auto-plan your day, build projects, take meeting notes and keep work moving.
Tiimo is a visual planner built for neurodivergent and executive-function needs, available on iOS, iPadOS, watchOS, Android, and the web. It turns your day into a color-coded visual timeline, adds a focus timer that makes time visible, tracks mood to reveal patterns, and uses AI to break your brain dump into a realistic, time-estimated plan. It was built by and for neurodivergent people and won iPhone App of the Year 2025.