# Knowt vs Noiz Knowt records 4,183,953 monthly visits with +5.4% month-over-month growth and Free pricing. Noiz records 148,844 monthly visits with -27.8% growth and Free Trial pricing. | Metric | [Knowt](https://openaitools.app/tool/knowt-com) | [Noiz](https://openaitools.app/tool/noiz) | | :--- | :--- | :--- | | Website URL | https://knowt.com/ | https://noiz.io | | Categories | AI Flashcard Maker, AI Notes Generator, AI Summarizer, AI Note Taker | AI Youtube Summary, AI Video Summarizer, AI Transcriber, AI Translate | | Pricing Model | Free | Free Trial | | Monthly Visits | 4,183,953 | 148,844 | | MoM Growth Rate | +5.4% | -27.8% | | Primary Market | United States | United States | | Direct Visits | 2,741,505 | 43,420 | | Review Score | 4.3 | 4.2 | | Saved Count | 14 | 2 | | Supported Platforms | Website | Website | ## Knowt Knowt is a study platform built around flashcards and AI study tools, and it markets itself as the leading free Quizlet alternative. Its pitch is consolidation: rather than juggling several apps, students upload their class materials once and get flashcards, notes, summaries, and practice tests generated in one place. Importing existing Quizlet sets takes a couple of clicks, including images and formatting. The AI layer is powered by Kai, an assistant that works across PDFs, slides, images, videos, and live lecture recordings. Uploading files produces notes, flashcards, and quizzes automatically, and Kai can also answer questions about your materials and explain why a practice answer was wrong. An Exam Predictor and Planner builds a study schedule from uploaded course files, while Voice Tutoring & Podcasts let students be quizzed aloud or turn notes into audio for studying on the go. Knowt is free to use for core studying, with unlimited learn mode and free practice tests. It is widely adopted in education, with millions of students and teachers using it and a strong presence in AP exam preparation, alongside SAT and ACT resources and a Chrome extension for on-screen study. **Pricing & Plans:** Knowt's core features are free: unlimited learn mode, free practice tests, flashcard creation, imports, and AI study tools with reasonable usage limits. Optional paid upgrades (Plus/Unlimited-style tiers) unlock higher AI generation limits and premium features. No credit card is required to start studying. - **AI PDF Summarizer and Flashcards:** Upload up to 30 files and Kai instantly produces notes, flashcards, summaries, and practice resources from them. - **Import and Lecture Recording:** Convert Quizlet, Kahoot, Wayground, and YouTube content, or record live lectures to generate notes and study sets. - **Exam Predictor and Planner:** Upload class files to get a study plan and exam prediction that highlights what your professor emphasizes most. - **Voice Tutoring and Podcasts:** Kai quizzes you by voice and can turn any note or flashcard into a podcast for study on the go. - **Study Modes and Exam Prep:** Free learn mode, matching games, spaced repetition, and practice test rooms cover AP, ACT, and SAT prep. **Strengths:** Free core with unlimited learn mode and practice tests; One-click Quizlet import preserves formatting and images; AI turns PDFs, slides, and lectures into study materials; Strong AP, SAT, and ACT prep resources plus a Chrome extension **Limitations:** Some AI generation limits encourage upgrading to paid plans; Advanced study plans rely on accurate file uploads; Best experience requires creating an account to save materials [Profile (Markdown)](https://openaitools.app/tool/knowt-com.md) ## Noiz Noiz is built around a simple promise: skip the watching and still get the knowledge. Instead of copying a link into a separate tool and crafting a prompt, you install a browser extension, open a YouTube video, and click summarize. Noiz returns the key ideas as a clear list, optionally with timestamps that jump to the exact moment, plus a full video-to-text transcript when you need the words, not just the gist. It handles everything from a two-minute clip to a multi-hour course or podcast. The product also ships mobile apps for iOS and Android, so the same summaries are available when you are away from your desk. Beneath the summarizer sits a wider library of free AI utilities covering transcripts, PDF and article summaries, text summarizers, content generators, and YouTube growth helpers like title, description, and tag generators. Summaries can be translated into more than 40 languages, and a weekly top-100 view helps you track what is trending on YouTube. Noiz positions itself as a learning and productivity companion rather than a media downloader. The audience is students, researchers, and professionals who consume a lot of long-form video and want structured notes instead of raw playback time. It reports more than half a million users, with a free trial that leads into a paid subscription. **Pricing & Plans:** Free trial, then paid subscription. You can test Noiz before subscribing; plans are purchased through the extension or mobile apps. Check the official site for the latest prices and tiers. - **Key Ideas Extraction:** Get the essential points from any topic and length of video as a short list or a detailed breakdown, without watching the whole thing. - **Timestamped Summaries:** Each summary point carries a timestamp that links back to the moment it came from, so you can verify or jump straight to the relevant section. - **Video to Text Transcripts:** Convert YouTube audio into accurate, readable text that you can scan, quote, or use as notes for research and study. - **41-Language Support:** Summarize and translate content across 41 languages, making international lectures, interviews, and creators accessible in your own language. - **Browser Extension and Mobile Apps:** Summarize directly on YouTube from the extension, or on the go with the dedicated iOS and Android apps, so learning fits wherever you are. **Strengths:** Summarizes on YouTube itself, with no tab switching or prompt writing; Timestamped summaries make it easy to verify and jump to source moments; Handles very long videos up to about 12 hours, including podcasts; Companion iOS and Android apps extend it beyond the desktop browser [Profile (Markdown)](https://openaitools.app/tool/noiz.md) ## Frequently Asked Questions ### How do Knowt and Noiz compare in monthly traffic? Knowt has 4,183,953 monthly visits, while Noiz has 148,844. Traffic estimates describe audience size, not product quality. ### How do their growth rates compare? Knowt has a month-over-month growth rate of +5.4%; Noiz has -27.8%. ### How does pricing compare? Knowt: Free. Knowt's core features are free: unlimited learn mode, free practice tests, flashcard creation, imports, and AI study tools with reasonable usage limits. Optional paid upgrades (Plus/Unlimited-style tiers) unlock higher AI generation limits and premium features. No credit card is required to start studying. Noiz: Free Trial. Free trial, then paid subscription. You can test Noiz before subscribing; plans are purchased through the extension or mobile apps. Check the official site for the latest prices and tiers. ## Alternatives | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [Studocu](https://openaitools.app/tool/studocu-global) | 39,297,122 | +1.1% | Freemium | Massive library of shared academic notes paired with AI study tools, but less focused on flashcard creation. | [.md](https://openaitools.app/tool/studocu-global.md) | | 2 | [TurboScribe](https://openaitools.app/tool/turboscribe-ai) | 27,661,771 | +2.1% | Freemium | Delivers heavy-duty audio and video transcription across numerous languages, but lacks interactive browser-native YouTube summarization widgets. | [.md](https://openaitools.app/tool/turboscribe-ai.md) | | 3 | [Gizmo](https://openaitools.app/tool/gizmo-ai) | 9,273,984 | +18.2% | Freemium | Gamified AI study application converting notes into flashcards and quizzes, but with a more playful interface. | [.md](https://openaitools.app/tool/gizmo-ai.md) | | 4 | [Tactiq](https://openaitools.app/tool/tactiq) | 6,521,542 | +4.1% | Freemium | Excels at live meeting and video transcription without bots, but is less tailored for quick passive YouTube video summarization. | [.md](https://openaitools.app/tool/tactiq.md) | | 5 | [Solvely AI](https://openaitools.app/tool/solvely-ai) | 4,526,289 | +134% | Freemium | Comprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards. | [.md](https://openaitools.app/tool/solvely-ai.md) | | 6 | [Sider](https://openaitools.app/tool/sider) | 2,644,740 | -10.6% | Freemium | Offers a versatile browser sidebar integrating multiple frontier chat models, but lacks dedicated standalone video summarization views. | [.md](https://openaitools.app/tool/sider.md) | | 7 | [StudyFetch](https://openaitools.app/tool/study-fetch) | 1,750,520 | +1.7% | Freemium | Interactive AI learning platform turning course materials into flashcards and quizzes, but with more video explanations. | [.md](https://openaitools.app/tool/study-fetch.md) | | 8 | [Studley AI](https://openaitools.app/tool/studley-ai) | 1,031,545 | -19.5% | Freemium | Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence. | [.md](https://openaitools.app/tool/studley-ai.md) | | 9 | [Readray (formerly Lilys AI)](https://openaitools.app/tool/lilys-ai) | 967,113 | -9.7% | Freemium | Supports comprehensive reading and video summarization across various formats, but has a more desktop-centric web application workflow. | [.md](https://openaitools.app/tool/lilys-ai.md) | | 10 | [Glasp](https://openaitools.app/tool/glasp) | 889,564 | -14.1% | Freemium | Combines social knowledge management and web highlighting with video summaries, but is heavier on note organization features. | [.md](https://openaitools.app/tool/glasp.md) | --- Source: https://openaitools.app/compare/knowt-com-vs-noiz More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)