Noiz: Transcribes and summarizes video content quickly as a browser extension, but lacks HoverNotes' specialized real-time visual course tracking. HoverNotes records 190,686 monthly visits with +156% month-over-month growth and Freemium pricing. Noiz records 148,844 monthly visits with -27.8% growth and Free Trial pricing.
AI that watches your video and writes study notes as you watch
Summarize any YouTube video into key ideas and timestamped notes in seconds.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | hovernotes.io | noiz.io |
| Pricing Model | Freemium | Free Trial |
| Monthly Visits | 190.69K (190,686) | 148.84K (148,844) |
| MoM Traffic Delta | +116.19K (+156%) | -57.42K (-27.8%) |
| Primary Market & Share | 🇮🇳 India (51.3%) | 🇺🇸 United States (11.4%) |
| Direct Visits / mo | 94.19K | 43.42K |
| User Rating | 4.3 | 4.2 |
| Supported Platforms | Website | Website |
AI that watches your video and writes study notes as you watch
Captures code, equations, diagrams and slide content exactly as they appear, so notes are complete even on videos with no captions.
Generates headings, bullets and syntax-highlighted code blocks that drop straight into an Obsidian vault or any Markdown editor.
One click adds the current frame to your notes at the right timestamp, ideal for diagrams, demos and UI walkthroughs.
Listen to a speaker in your own language while the video stays in sync, and ask Hovie to explain or summarise any moment using your notes and screenshots.
Summarize any YouTube video into key ideas and timestamped notes in seconds.
Get the essential points from any topic and length of video as a short list or a detailed breakdown, without watching the whole thing.
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.
Convert YouTube audio into accurate, readable text that you can scan, quote, or use as notes for research and study.
Summarize and translate content across 41 languages, making international lectures, interviews, and creators accessible in your own language.
SpecialistDelivers heavy-duty audio and video transcription across numerous languages, but lacks interactive browser-native YouTube summarization widgets.
SpecialistDelivers heavy-duty audio and video transcription across numerous languages, but lacks interactive browser-native YouTube summarization widgets.
SpecialistExcels at live meeting and video transcription without bots, but is less tailored for quick passive YouTube video summarization.
SpecialistExcels at live meeting and video transcription without bots, but is less tailored for quick passive YouTube video summarization.
SpecialistOffers a versatile browser sidebar integrating multiple frontier chat models, but lacks dedicated standalone video summarization views.
SpecialistOffers a versatile browser sidebar integrating multiple frontier chat models, but lacks dedicated standalone video summarization views.
Supports comprehensive reading and video summarization across various formats, but has a more desktop-centric web application workflow.
Supports comprehensive reading and video summarization across various formats, but has a more desktop-centric web application workflow.
SpecialistCombines social knowledge management and web highlighting with video summaries, but is heavier on note organization features.
SpecialistCombines social knowledge management and web highlighting with video summaries, but is heavier on note organization features.
SpecialistConverts lectures and videos into structured notes and interactive quizzes, but operates primarily as a web app rather than a video browser extension.
SpecialistConverts lectures and videos into structured notes and interactive quizzes, but operates primarily as a web app rather than a video browser extension.
Free / Open-sourceProvides free open-source YouTube and webpage summarization via browser extension, but features a simpler user interface design.
Free / Open-sourceProvides free open-source YouTube and webpage summarization via browser extension, but features a simpler user interface design.
Features fast webpage and video summarization alongside bookmark management, but provides fewer deep customization options for note formatting.
Features fast webpage and video summarization alongside bookmark management, but provides fewer deep customization options for note formatting.
SpecialistTranscribe, summarize and share any conversation
Summarize and repurpose videos, podcasts, articles and documents with AI
Summarize and repurpose videos, podcasts, articles and documents with AI
Delivers clean timestamped YouTube summaries directly inside browser extensions, but offers less robust mobile app integration than Noiz.
Delivers clean timestamped YouTube summaries directly inside browser extensions, but offers less robust mobile app integration than Noiz.
SpecialistChat with any YouTube video and get instant answers from its content
SpecialistChat with any YouTube video and get instant answers from its content
