| What it does | AI writing tools to detect, humanize, rewrite and check grammar
| Turn notes, PDFs, or lecture slides into an exam-ready study guide with every point linked to its source page
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| Stage | Startup
| Startup
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| Founded | 2026
| Not given
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| Based in | GB
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: unlimited AI Detector, 3 daily uses on writing tools, 5 of 9 humanizer modes, 5 of 8 rewriter tones. Starter $9.99/mo (or $7.99/mo annually): 30K words/month, every humanizer and rewriter mode, 500 words per process. Pro $19.99/mo (or $15.99/mo annually): 100K words/month, no per-request word
| Free: 2 guides/day without account or 10/month with free account. Student Plus: $3.49/month or $41.88/year (100 guides/month). Student Pro: $4.99/month or $59.88/year (300 guides/month). Starter Pack: $4.99 one-time (50 credits, 12 months valid). Exam Pack: $9.99 one-time (150 credits, 12 months val
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| Key features | - Unlimited free AI detector with no daily limit or signup required
- AI Humanizer with 9 writing modes including Standard, Academic, Blog, Formal, and Simple
- Statistical detection engine that processes text on own servers with no third-party sharing
- AI Rewriter with 8 different tones
- Grammar Checker tool included in all plans
- Chrome Extension for in-browser humanizing and detection
- Brand Voice feature for maintaining consistent tone across 1-3 voices depending on plan
- Re-humanize function to generate genuinely different drafts at higher variation
| - Convert PDFs, PowerPoint, Word documents, and text notes to structured study guides
- Page and slide citations for every key point
- Includes outline, key concepts, glossary, practice questions, and flashcards
- Export to PDF, Word, and CSV for Anki or Quizlet
- Teacher mode with fill-in-the-blank worksheet and answer key
- Deep mode for thorough, detailed guides
- Merge up to 3 files into one study guide
- Free access without sign-up: 2 guides per day
- Save and organize guides in personal library
- Multiple depth options: Quick, Standard, and Deep
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| What makes it different | - Unlimited free AI detector with no daily limits, while competitors limit guests to 3 scans per day
- Published accuracy rates with measured false-positive and false-negative rates instead of unverifiable claims
- Integrated detect-then-fix workflow keeping flagged drafts in one tool instead of switching between products
- Privacy-first approach with AI Detector processing text on own servers with no third-party access
- Browser-first start with no extension setup or account creation required before first use
| - Every point cited to exact source page or slide for easy verification
- Built-in active recall through practice questions and flashcards
- No sign-up required to start; free tier with no paywall
- Clean, print-ready PDF and editable Word exports
- Honest, straightforward pricing on a single page
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 23 ▲ +1 (up) since last check | 14 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 6 | 1 |
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| Citation Flow (Majestic) | 17 | 31 |
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| Referring domains (Majestic) | 205 | 25 |
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Coda One
Study Guide Maker