GPTZero vs SimpleQuizMaker

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

GPTZero compared with SimpleQuizMaker
Detail	GPTZero	SimpleQuizMaker
What it does	AI detector that identifies content generated by large language models	AI-powered quiz generator that turns PDFs, images, and topics into shareable quizzes in seconds
Stage	Not given	Startup
Founded	2023	2025
Based in	Not given	DE
Pricing model	Freemium	Freemium
Pricing	Free tier for basic AI detection up to 10,000 characters. Professional plan available with pricing details on subscription page. API pricing available for developers.	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.
Key features	AI detection with 99.9% accuracy Sentence-by-sentence highlighting of AI-generated text Writing Replay showing video proof of writing process Plagiarism detection Grammar checking and writing feedback Chrome extension for browser-based scanning Integration with Canvas and Google Classroom API for developer integration Detects multiple AI models including GPT-5, GPT-6, Gemini, and Claude AI Tutor for writing improvement	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
What makes it different	99.9% accuracy rate verified by independent benchmarks from Penn State's AI Research Lab De-biased for ESL learners with only 1% false positive rate for non-native English writing Only detector with Writing Replay showing video proof of authentic writing process Trusted by over 10 million users and 100+ organizations globally	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	81 no change since last check	7 +1 (up) since last check
Trust Flow (Majestic)	27	3
Citation Flow (Majestic)	43	26
Referring domains (Majestic)	8387	28

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