Knowt

Free AI study platform for flashcards, notes, and exam prep

Overview

Knowt's whole positioning is against Quizlet: same basic idea of flashcards and study sets, but with more of it free and AI layered on top to generate material instead of making you build it by hand. Record a lecture and it spits out notes and flashcards, drop in a PDF or a PowerPoint and it becomes a study guide, and there's a voice tutor called Kai for talking through material out loud. The free library alone, over 5 million user-created sets, is enough to be useful before you ever touch a paid feature.

Paid tiers unlock the AI features at scale: unlimited AI summaries, unlimited monitored AI chat activities, unlimited auto-graded assessments, and unlimited chats with Kai. Ultra runs about $12.49 a month if you pay annually ($149.99 upfront), or $24.99 a month billed monthly, roughly double the annual rate. Knowt also runs a separate teacher-facing plan with classroom tools, so make sure you're looking at the student pricing page and not the teacher one when you check current numbers.

Key Features

  • AI Lecture Notetaker: Record a lecture and get detailed notes, flashcards, quizzes, and games generated automatically.

  • Document Summarizers: Converts PDFs, PowerPoints, and YouTube videos into study guides.

  • AI Note Conversion: Turns handwritten notes into structured flashcards and quizzes.

  • Multiple Study Modes: Spaced repetition, matching games, practice tests, and a free-form learn mode.

  • Kai Voice Tutor: An AI assistant you can talk through material with.

  • Massive Content Library: Over 5 million user-created flashcard sets plus pre-made AP exam materials.

Pricing

Starting price

$12.49/mo (billed annually at $149.99/yr; $24.99/mo billed monthly)

  • Basic: $0/month. Create notes and flashcards, free study modes, browse millions of shared sets.

  • Ultra (Annual): $12.49/month, billed upfront at $149.99/year. Unlimited AI summaries, unlimited monitored AI chat activities, unlimited auto-graded assessments, unlimited Kai chats.

  • Ultra (Monthly): $24.99/month billed monthly. Same features as annual Ultra.

Disclaimer: pricing may change, confirm on Knowt's own pricing page before buying.

Pros

  • Generous Free Tier: Core note and flashcard creation plus a massive shared library cost nothing.

  • AI Does The Heavy Lifting: Auto-generates flashcards and quizzes from lectures, PDFs, and videos instead of manual entry.

  • Strong AP Exam Coverage: Pre-made materials specifically built around AP exams, a clear niche strength.

  • Huge Existing Library: 5+ million user-created sets means you often don't need to build from scratch.

Cons

  • Monthly Price Nearly Doubles: $24.99/month billed monthly versus $12.49/month if you commit annually is a steep gap.

  • Separate Teacher and Student Pricing: Easy to check the wrong pricing page since teacher and student plans differ.

  • Crowdsourced Content Quality Varies: User-created flashcard sets aren't vetted, so accuracy isn't guaranteed.

  • Built For Students, Not Professionals: Feature set is squarely academic, not useful outside a school context.

What Makes It Unique

  • AI Lecture-to-Flashcards: Record a live lecture and Knowt automatically generates notes, flashcards, quizzes, and games from it, no manual transcription needed.

Kay Score

7.3

/ 10

Tool Information

Pricing

$12.49/mo (billed annually at $149.99/yr; $24.99/mo billed monthly)

Category

Research & Productivity

Platform

Web / iOS / Android

Last Updated

Top Alternatives

Lido

Extract data from any document and turn it into a spreadsheet, no templates needed.

Lido reads PDFs, scans, invoices and receipts with AI and turns them into clean Excel, Google Sheets, or CSV data. No templates, no rules to configure per document layout.

Research & Productivity

Lido

Extract data from any document and turn it into a spreadsheet, no templates needed.

Lido reads PDFs, scans, invoices and receipts with AI and turns them into clean Excel, Google Sheets, or CSV data. No templates, no rules to configure per document layout.

Research & Productivity

Lido

Extract data from any document and turn it into a spreadsheet, no templates needed.

Lido reads PDFs, scans, invoices and receipts with AI and turns them into clean Excel, Google Sheets, or CSV data. No templates, no rules to configure per document layout.

Research & Productivity

43

Perplexity

Search that actually shows its sources.

An AI answer engine that searches the live web and gives you a cited, synthesized answer instead of ten blue links. Lets you pick which underlying model answers your question.

Research & Productivity

Perplexity

Search that actually shows its sources.

An AI answer engine that searches the live web and gives you a cited, synthesized answer instead of ten blue links. Lets you pick which underlying model answers your question.

Research & Productivity

Perplexity

Search that actually shows its sources.

An AI answer engine that searches the live web and gives you a cited, synthesized answer instead of ten blue links. Lets you pick which underlying model answers your question.

Research & Productivity

93

Elicit

An AI research assistant that reads and summarizes academic papers for you.

Elicit searches, summarizes, and extracts data from over 125 million academic papers, and lets you chat with the full text. Every claim it makes links back to the source paper with a supporting quote, which is its answer to the hallucination problem other AI tools have.

Research & Productivity

Elicit

An AI research assistant that reads and summarizes academic papers for you.

Elicit searches, summarizes, and extracts data from over 125 million academic papers, and lets you chat with the full text. Every claim it makes links back to the source paper with a supporting quote, which is its answer to the hallucination problem other AI tools have.

Research & Productivity

Elicit

An AI research assistant that reads and summarizes academic papers for you.

Elicit searches, summarizes, and extracts data from over 125 million academic papers, and lets you chat with the full text. Every claim it makes links back to the source paper with a supporting quote, which is its answer to the hallucination problem other AI tools have.

Research & Productivity

25

Granola

AI meeting notes that don't need a bot to join your call.

Granola runs quietly in the background of your meetings on Zoom, Meet, Teams, or in person, letting you jot rough notes as you go. It then merges your notes with the full transcript to generate a clean, contextual summary, no meeting bot required.

Research & Productivity

Granola

AI meeting notes that don't need a bot to join your call.

Granola runs quietly in the background of your meetings on Zoom, Meet, Teams, or in person, letting you jot rough notes as you go. It then merges your notes with the full transcript to generate a clean, contextual summary, no meeting bot required.

Research & Productivity

19

Wispr Flow

Don't type, just speak, voice dictation that turns rambling speech into clean, formatted text in any app.

Wispr Flow is a voice dictation app for Mac, Windows, iPhone, and Android that turns spoken words into clean, properly formatted text in whatever app you're using. It skips typing entirely, AI strips out filler words and adapts tone to context (email vs. code vs. chat) as you speak.

Research & Productivity

Wispr Flow

Don't type, just speak, voice dictation that turns rambling speech into clean, formatted text in any app.

Wispr Flow is a voice dictation app for Mac, Windows, iPhone, and Android that turns spoken words into clean, properly formatted text in whatever app you're using. It skips typing entirely, AI strips out filler words and adapts tone to context (email vs. code vs. chat) as you speak.

Research & Productivity

Wispr Flow

Don't type, just speak, voice dictation that turns rambling speech into clean, formatted text in any app.

Wispr Flow is a voice dictation app for Mac, Windows, iPhone, and Android that turns spoken words into clean, properly formatted text in whatever app you're using. It skips typing entirely, AI strips out filler words and adapts tone to context (email vs. code vs. chat) as you speak.

Research & Productivity

42

Aigency Valet 2.0

AI tool that finds local businesses with marketing gaps and drafts outreach emails to pitch them

Aigency Valet lets you enter a niche and location, then scans for local businesses with visible marketing problems (outdated site, no SSL, weak Google listing) and drafts a personalized outreach email for each one. You still send the emails yourself.

Research & Productivity

Aigency Valet 2.0

AI tool that finds local businesses with marketing gaps and drafts outreach emails to pitch them

Aigency Valet lets you enter a niche and location, then scans for local businesses with visible marketing problems (outdated site, no SSL, weak Google listing) and drafts a personalized outreach email for each one. You still send the emails yourself.

Research & Productivity

Aigency Valet 2.0

AI tool that finds local businesses with marketing gaps and drafts outreach emails to pitch them

Aigency Valet lets you enter a niche and location, then scans for local businesses with visible marketing problems (outdated site, no SSL, weak Google listing) and drafts a personalized outreach email for each one. You still send the emails yourself.

Research & Productivity

49

Related reviews and guides

Never miss an AI breakthrough

Join 1000+ subscribers getting the latest AI tools, news, and tips delivered straight to their inbox every Tuesday.