Knowt records 4,183,953 monthly visits with +5.4% month-over-month growth and Free pricing. Postgres Sandbox records 445 monthly visits with -17.3% growth and Free pricing.
Free AI flashcard and study tools for students
Real PostgreSQL in your browser, with AI to help write the SQL
| Dimension / Metric | | |
|---|---|---|
| Official Domain | knowt.com | postgres.new |
| Pricing Model | Free | Free |
| Monthly Visits | 4.18M (4,183,953) | 445 (445) |
| MoM Traffic Delta | +214.76K (+5.4%) | -93 (-17.3%) |
| Primary Market & Share | 🇺🇸 United States (69.6%) | 🇦🇷 Argentina (100%) |
| Direct Visits / mo | 2.74M | 183 |
| User Rating | 4.3 | 4.5 |
| Supported Platforms | Website | Website |
Free AI flashcard and study tools for students
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.
Real PostgreSQL in your browser, with AI to help write the SQL
A new PostgreSQL database is created automatically in your browser via PGlite — no server, no installation, no configuration.
An AI assistant helps generate and reason about SQL from natural-language prompts, lowering the barrier for schema and query work.
Load CSV data and start querying it directly, which makes the sandbox handy for quick analysis and data exploration.
Turn query results into charts and draw ER diagrams to visualise table relationships within the same workspace.
Massive library of shared academic notes paired with AI study tools, but less focused on flashcard creation.
Massive library of shared academic notes paired with AI study tools, but less focused on flashcard creation.
The AI coding agent for building ambitious software
The AI coding agent for building ambitious software
Gamified AI study application converting notes into flashcards and quizzes, but with a more playful interface.
Gamified AI study application converting notes into flashcards and quizzes, but with a more playful interface.
SpecialistComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
SpecialistComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
Interactive AI learning platform turning course materials into flashcards and quizzes, but with more video explanations.
Interactive AI learning platform turning course materials into flashcards and quizzes, but with more video explanations.
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
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.
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.
Personalized AI study assistant creating flashcards and mind maps from lecture recordings, but smaller user community.
Personalized AI study assistant creating flashcards and mind maps from lecture recordings, but smaller user community.
AI learning assistant converting lectures and documents into study guides and flashcards, but less free-tier friendly.
AI learning assistant converting lectures and documents into study guides and flashcards, but less free-tier friendly.
AI study platform transforming notes and videos into quizzes and summaries, but with fewer collaborative features.
AI study platform transforming notes and videos into quizzes and summaries, but with fewer collaborative features.
Free / Open-sourceReactive TypeScript backend with database, functions and AI gateway
Free / Open-sourceReactive TypeScript backend with database, functions and AI gateway
AI study platform converting course materials into practice questions and flashcards, but with a simpler feature set.
AI study platform converting course materials into practice questions and flashcards, but with a simpler feature set.
