| What it does | Most accurate AI detector for identifying ChatGPT, GPT-5, Gemini and other AI-generated content
| AI-powered quiz generator that turns PDFs, images, and topics into shareable quizzes in seconds
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| Stage | Not given
| Startup
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| Founded | 2022
| 2025
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| Based in | CA
| DE
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| Pricing model | Freemium
| Freemium
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| Pricing | Not given
| Free: 5 quiz generations/month, up to 10 questions/quiz. Bronze: $1.99/mo, 15 generations/month, up to 50 questions/quiz. Silver: $3.99/mo, 35 generations/month, up to 100 questions/quiz. Gold: $6.99/mo, 80 generations/month, up to 100 questions/quiz.
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| Key features | - AI Checker - detect ChatGPT, GPT-5, Gemini, Claude, Grok and other AI writing tools
- Plagiarism Checker - identify plagiarism and duplicated content
- Writing Replay - shows authorship and writing process in browser extension
- Chrome Extension and Google Docs integration
- Moodle plugin for academic integrity checking
- Fact & AI Hallucination Checker
- Grammar and Spelling Checker
- Readability Checker and Content Quality Score
- API access for developers and integrations
- Bulk Scan for multiple texts at once
| - AI quiz generation from multiple formats (PDF, images, Word documents, URLs, YouTube videos, text)
- Multiple question types (multiple choice, true/false, short answer, fill-in-the-blank)
- Flashcards with SM-2-based spaced repetition
- Share quizzes via link without requiring student login
- Per-student analytics and performance tracking
- Google Classroom integration
- Gamification with XP, streaks, and badges
- Printable exports (PDF, DOCX, Google Forms)
- AI Tutor for personalized explanations
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| What makes it different | - Proven accuracy in peer-reviewed third-party studies
- Trained on adversarial data to detect AI paraphrasing attempts
- Writing Replay feature proves human authorship
- Multi-product platform with plagiarism, grammar, fact-checking and readability tools
- Enterprise security with military-grade 256-bit encryption
| - Free plan is genuinely useful with 5 quiz generations per month, not a limited trial
- AI-generated quizzes in seconds from any content type
- Built-in spaced repetition ensures long-term retention
- Data privacy by default—user uploads not used to train models
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 79 ● no change since last check | 7 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 24 | 3 |
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| Citation Flow (Majestic) | 49 | 26 |
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| Referring domains (Majestic) | 7344 | 28 |
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Originality.ai™
SimpleQuizMaker