| What it does | AI fact-check with a 1–10 score, claim-by-claim findings, and sources across browsers and apps
| Turn any YouTube channel into a structured course with AI-powered study tools
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| Pricing model | Free
| Freemium
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| Pricing | Free to use; users bring their own API keys and are billed directly by Google, Anthropic, or OpenAI for model usage.
| Free: 3 courses per week, 1,000 videos each, 2 quizzes/mind maps/flashcards per day, unlimited notes/clips/screenshots/transcripts. CoursifyYT Pro: $18/month (or $40 at launch, 55% off), includes 6 courses per week, 5,000 videos per channel, 10 quizzes/mind maps/flashcards per day, 500 MB synced sto
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| Key features | - Chrome and Firefox browser extensions
- iPhone and Mac apps with Share Extension for analyzing text from Safari or any app
- Android app on Google Play
- 1–10 credibility score with short verdict
- Claim-by-claim findings with verified, partially verified, unverified, or false/misleading labels
- Source links from web grounding citations
- Optional Media Bias/Fact Check publisher rating
- Results in the same language as the page when possible
- On-device Gemini Nano for local analysis on Chrome
- Bring your own API key for Gemini, Claude, or OpenAI models
| - AI-powered course organization that groups videos by discipline, module and lesson from beginner to advanced
- Notes pinned to specific video timestamps with tags and linked ideas
- Multiple-choice quizzes built from video content
- Flashcards with spaced repetition across entire courses
- Mind maps showing video content as branching ideas
- Ask feature to get timestamped answers about video content
- Video transcripts with search and export capabilities
- Clips and screenshots with timestamps for saving key moments
- Course syllabus exportable as printable PDF with progress tracking
- Progress tracking and synced notes across devices when signed in
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| What makes it different | - Works across multiple platforms as both browser extensions and native mobile apps
- Bring-your-own-key model with no account required
- On-device analysis option with Gemini Nano on Chrome keeps text private
- Claims grounded in live web search or model training knowledge with source citations
- Multilingual results matching the page language
| - Works without an account while keeping notes and progress in your browser locally
- No analytics, advertising or data tracking, with privacy by default
- Unlimited notes, transcripts and study tools on free plan
- Course ordering follows learning progression, not YouTube's recommendation algorithm
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| Free plan | Not given
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| Open source | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 28 ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 22 | 18 |
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| Referring domains (Majestic) | 30 | 11 |
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Credibility Analyzer
CoursifyYT