
Biblioteca masiva de apuntes académicos compartidos combinada con herramientas de estudio de IA, pero menos enfocada en la creación de tarjetas de memoria.
Knowt registra 4.183.953 visitas mensuales con un crecimiento intermensual de +5,4 % y un modelo de precios Gratis. Lebenmaster registra 105 visitas mensuales con un crecimiento de -86,9 % y un modelo de precios 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.

Lebenmaster is a behavioral productivity suite built around the idea that planning should follow your energy, not just your calendar. It combines goal planning, discipline and habit mechanics, recurring task handling, and a daily 'Plan of the day' that splits each block into work or recovery so you can see how your day was really spent.
| Dimensión / Métrica | ![]() | |
|---|---|---|
| Dominio oficial | knowt.com | lebenmaster.com |
| Modelo de precios | Gratis | Freemium |
| Visitas mensuales | 4,18 M (4.183.953) | 105 (105) |
| Variación de tráfico intermensual |
| +214,76 mil (+5,4 %) |
| -699 (-86,9 %) |
| Mercado principal y cuota | 🇺🇸 Estados Unidos (69,6 %) | 🌐 Global (—) |
|---|
| Visitas directas / mes | 2,74 M | 44 |
|---|
| Valoración de usuarios | 4,3 | 3,9 |
|---|
| Plataformas compatibles | Sitio web | Sitio web |
|---|
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.

Lebenmaster is a behavioral productivity suite built around the idea that planning should follow your energy, not just your calendar. It combines goal planning, discipline and habit mechanics, recurring task handling, and a daily 'Plan of the day' that splits each block into work or recovery so you can see how your day was really spent.
A daily planning view where every time block is labeled as work or recovery, making the work/recovery split of your day visible at a glance.
Plan objectives, track achievements and recurring tasks, and use Discipline Club and streak-style feedback to keep momentum going.
A model of cognitive energy that lets you schedule demanding work when your capacity is highest and protect recovery time.
Bring personal goals and shared commitments together with tools like Family Shield, plus a mobile app for Android for on-the-go updates.

Biblioteca masiva de apuntes académicos compartidos combinada con herramientas de estudio de IA, pero menos enfocada en la creación de tarjetas de memoria.
Aplicación de estudio con IA gamificada que convierte apuntes en tarjetas de memoria y cuestionarios, pero con una interfaz más lúdica.
EspecializadoComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.

Plataforma de aprendizaje interactiva con IA que convierte materiales de cursos en tarjetas de memoria y cuestionarios, pero con más explicaciones en video.
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.

Asistente de estudio con IA personalizado que crea tarjetas de memoria y mapas mentales a partir de grabaciones de clases, pero con una comunidad de usuarios más pequeña.

Calendario con IA que protege tu tiempo de concentración

Asistente de aprendizaje con IA que convierte clases y documentos en guías de estudio y tarjetas de memoria, pero menos amigable en su versión gratuita.
Una plataforma de estudio con IA que transforma notas y videos en cuestionarios y resúmenes, pero con menos funciones de colaboración.

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 masiva de apuntes académicos compartidos combinada con herramientas de estudio de IA, pero menos enfocada en la creación de tarjetas de memoria.
Aplicación de estudio con IA gamificada que convierte apuntes en tarjetas de memoria y cuestionarios, pero con una interfaz más lúdica.
EspecializadoComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
Plataforma de aprendizaje interactiva con IA que convierte materiales de cursos en tarjetas de memoria y cuestionarios, pero con más explicaciones en video.
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.
Asistente de estudio con IA personalizado que crea tarjetas de memoria y mapas mentales a partir de grabaciones de clases, pero con una comunidad de usuarios más pequeña.
Calendario con IA que protege tu tiempo de concentración
Asistente de aprendizaje con IA que convierte clases y documentos en guías de estudio y tarjetas de memoria, pero menos amigable en su versión gratuita.
Una plataforma de estudio con IA que transforma notas y videos en cuestionarios y resúmenes, pero con menos funciones de colaboración.
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.