
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.
Explainy records 0 monthly visits with — month-over-month growth and Free pricing. Knowt records 4,183,953 monthly visits with +5.4% growth and Free pricing.

Instant AI explanations for any word or phrase, right in your browser.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | chromewebstore.google.com | knowt.com |
| Pricing Model | Free | Free |
| Monthly Visits | 0 (0) | 4.18M (4,183,953) |
| MoM Traffic Delta | 0 (—) | +214.76K (+5.4%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (69.6%) |
| Direct Visits / mo | 0 | 2.74M |
| User Rating | 3.2 | 4.3 |
| Supported Platforms | Browser Extension | Website |

Instant AI explanations for any word or phrase, right in your browser.
Select a word or phrase on any page and have Explainy return an explanation instantly, without leaving the page or opening a search tab.
A quick, succinct mode for when you only need a short definition or the gist of a term.
A more detailed mode that explores a concept in depth for when a one-line answer is not enough.
Explainy operates with minimal permissions and the developer declares that no user data is collected or used.
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.

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.
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.
One-click AI assistant for browsing, writing and research
One-click AI assistant for browsing, writing and research
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.

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.

AI writing assistant with autocomplete, research, and a Chrome extension
AI writing assistant with autocomplete, research, and a Chrome extension